723.97% is the change from 121 to 997
Calculation steps:
[( 997 - 121 ) ÷ 121] x 100 = 723.97%
Formula
Percentage change = [(997 - 121) / 121] x 100
Subtract the new number by the original number
997 - 121 = 876
876 ÷ 121 = 7.239669421487603
7.239669421487603 x 100 = 723.97%