608.26% is the change from 121 to 857
Calculation steps:
[( 857 - 121 ) ÷ 121] x 100 = 608.26%
Formula
Percentage change = [(857 - 121) / 121] x 100
Subtract the new number by the original number
857 - 121 = 736
736 ÷ 121 = 6.082644628099174
6.082644628099174 x 100 = 608.26%