519.83% is the change from 121 to 750
Calculation steps:
[( 750 - 121 ) ÷ 121] x 100 = 519.83%
Formula
Percentage change = [(750 - 121) / 121] x 100
Subtract the new number by the original number
750 - 121 = 629
629 ÷ 121 = 5.198347107438017
5.198347107438017 x 100 = 519.83%