574.38% is the change from 121 to 816
Calculation steps:
[( 816 - 121 ) ÷ 121] x 100 = 574.38%
Formula
Percentage change = [(816 - 121) / 121] x 100
Subtract the new number by the original number
816 - 121 = 695
695 ÷ 121 = 5.743801652892562
5.743801652892562 x 100 = 574.38%