511.57% is the change from 121 to 740
Calculation steps:
[( 740 - 121 ) ÷ 121] x 100 = 511.57%
Formula
Percentage change = [(740 - 121) / 121] x 100
Subtract the new number by the original number
740 - 121 = 619
619 ÷ 121 = 5.115702479338843
5.115702479338843 x 100 = 511.57%