-19.94% is the change from 657 to 526
Calculation steps:
[( 526 - 657 ) ÷ 657] x 100 = -19.94%
Formula
Percentage change = [(526 - 657) / 657] x 100
Subtract the new number by the original number
526 - 657 = -131
-131 ÷ 657 = -0.1993911719939117
-0.1993911719939117 x 100 = -19.94%