663.64% is the change from 121 to 924
Calculation steps:
[( 924 - 121 ) ÷ 121] x 100 = 663.64%
Formula
Percentage change = [(924 - 121) / 121] x 100
Subtract the new number by the original number
924 - 121 = 803
803 ÷ 121 = 6.636363636363637
6.636363636363637 x 100 = 663.64%