-20.4% is the change from 657 to 523
Calculation steps:
[( 523 - 657 ) ÷ 657] x 100 = -20.4%
Formula
Percentage change = [(523 - 657) / 657] x 100
Subtract the new number by the original number
523 - 657 = -134
-134 ÷ 657 = -0.2039573820395738
-0.2039573820395738 x 100 = -20.4%