633.88% is the change from 121 to 888
Calculation steps:
[( 888 - 121 ) ÷ 121] x 100 = 633.88%
Formula
Percentage change = [(888 - 121) / 121] x 100
Subtract the new number by the original number
888 - 121 = 767
767 ÷ 121 = 6.338842975206612
6.338842975206612 x 100 = 633.88%