684.3% is the change from 121 to 949
Calculation steps:
[( 949 - 121 ) ÷ 121] x 100 = 684.3%
Formula
Percentage change = [(949 - 121) / 121] x 100
Subtract the new number by the original number
949 - 121 = 828
828 ÷ 121 = 6.8429752066115705
6.8429752066115705 x 100 = 684.3%