531.4% is the change from 121 to 764
Calculation steps:
[( 764 - 121 ) ÷ 121] x 100 = 531.4%
Formula
Percentage change = [(764 - 121) / 121] x 100
Subtract the new number by the original number
764 - 121 = 643
643 ÷ 121 = 5.31404958677686
5.31404958677686 x 100 = 531.4%