627.27% is the change from 88 to 640
Calculation steps:
[( 640 - 88 ) ÷ 88] x 100 = 627.27%
Formula
Percentage change = [(640 - 88) / 88] x 100
Subtract the new number by the original number
640 - 88 = 552
552 ÷ 88 = 6.2727272727272725
6.2727272727272725 x 100 = 627.27%