87.11% is the change from 357 to 668
Calculation steps:
[( 668 - 357 ) ÷ 357] x 100 = 87.11%
Formula
Percentage change = [(668 - 357) / 357] x 100
Subtract the new number by the original number
668 - 357 = 311
311 ÷ 357 = 0.8711484593837535
0.8711484593837535 x 100 = 87.11%