621.49% is the change from 121 to 873
Calculation steps:
[( 873 - 121 ) ÷ 121] x 100 = 621.49%
Formula
Percentage change = [(873 - 121) / 121] x 100
Subtract the new number by the original number
873 - 121 = 752
752 ÷ 121 = 6.214876033057851
6.214876033057851 x 100 = 621.49%