718.18% is the change from 121 to 990
Calculation steps:
[( 990 - 121 ) ÷ 121] x 100 = 718.18%
Formula
Percentage change = [(990 - 121) / 121] x 100
Subtract the new number by the original number
990 - 121 = 869
869 ÷ 121 = 7.181818181818182
7.181818181818182 x 100 = 718.18%