-75.19% is the change from 657 to 163
Calculation steps:
[( 163 - 657 ) ÷ 657] x 100 = -75.19%
Formula
Percentage change = [(163 - 657) / 657] x 100
Subtract the new number by the original number
163 - 657 = -494
-494 ÷ 657 = -0.7519025875190258
-0.7519025875190258 x 100 = -75.19%