-20.55% is the change from 657 to 522
Calculation steps:
[( 522 - 657 ) ÷ 657] x 100 = -20.55%
Formula
Percentage change = [(522 - 657) / 657] x 100
Subtract the new number by the original number
522 - 657 = -135
-135 ÷ 657 = -0.2054794520547945
-0.2054794520547945 x 100 = -20.55%