-22.37% is the change from 657 to 510
Calculation steps:
[( 510 - 657 ) ÷ 657] x 100 = -22.37%
Formula
Percentage change = [(510 - 657) / 657] x 100
Subtract the new number by the original number
510 - 657 = -147
-147 ÷ 657 = -0.2237442922374429
-0.2237442922374429 x 100 = -22.37%