Sizu Home › Calculators › Percent Change
Opens on Chapter 13’s example: Felix’s rent, $1,450 to $1,522.50.
Apply changes one after another
Enter your numbers, then press Calculate.
From the book, Chapter 13. $1,450 to $1,522.50 is $72.50 more: 5%. $80 to $60 is down 25%, but $60 to $80 is up 33.3%. A $40 membership up 50% and then down 50% ends at $30. A rate from 4% to 5% is one point, but 25% higher; 20 to 60 is 200% more. $45 up 8% is $48.60, then down 15% is $41.31: a multiplier of 0.918.
Exact arithmetic: every number you type is read as an exact fraction, and rounding happens only when an answer is shown. Everything stays in your browser: no sign-up, nothing stored or sent.