645.22% is the change from 115 to 857
Calculation steps:
[( 857 - 115 ) ÷ 115] x 100 = 645.22%
Formula
Percentage change = [(857 - 115) / 115] x 100
Subtract the new number by the original number
857 - 115 = 742
742 ÷ 115 = 6.452173913043478
6.452173913043478 x 100 = 645.22%