87.5% is the change from 352 to 660
Calculation steps:
[( 660 - 352 ) ÷ 352] x 100 = 87.5%
Formula
Percentage change = [(660 - 352) / 352] x 100
Subtract the new number by the original number
660 - 352 = 308
308 ÷ 352 = 0.875
0.875 x 100 = 87.5%
Example