-7.15% is the change from 657 to 610
Calculation steps:
[( 610 - 657 ) ÷ 657] x 100 = -7.15%
Formula
Percentage change = [(610 - 657) / 657] x 100
Subtract the new number by the original number
610 - 657 = -47
-47 ÷ 657 = -0.0715372907153729
-0.0715372907153729 x 100 = -7.15%