521.49% is the change from 121 to 752
Calculation steps:
[( 752 - 121 ) ÷ 121] x 100 = 521.49%
Formula
Percentage change = [(752 - 121) / 121] x 100
Subtract the new number by the original number
752 - 121 = 631
631 ÷ 121 = 5.214876033057851
5.214876033057851 x 100 = 521.49%