-19.63% is the change from 657 to 528
Calculation steps:
[( 528 - 657 ) ÷ 657] x 100 = -19.63%
Formula
Percentage change = [(528 - 657) / 657] x 100
Subtract the new number by the original number
528 - 657 = -129
-129 ÷ 657 = -0.1963470319634703
-0.1963470319634703 x 100 = -19.63%