3.77% is the change from 636 to 660
Calculation steps:
[( 660 - 636 ) ÷ 636] x 100 = 3.77%
Formula
Percentage change = [(660 - 636) / 636] x 100
Subtract the new number by the original number
660 - 636 = 24
24 ÷ 636 = 0.03773584905660377
0.03773584905660377 x 100 = 3.77%