-4.24% is the change from 660 to 632
Calculation steps:
[( 632 - 660 ) ÷ 660] x 100 = -4.24%
Formula
Percentage change = [(632 - 660) / 660] x 100
Subtract the new number by the original number
632 - 660 = -28
-28 ÷ 660 = -0.04242424242424243
-0.04242424242424243 x 100 = -4.24%