603.31% is the change from 121 to 851
Calculation steps:
[( 851 - 121 ) ÷ 121] x 100 = 603.31%
Formula
Percentage change = [(851 - 121) / 121] x 100
Subtract the new number by the original number
851 - 121 = 730
730 ÷ 121 = 6.033057851239669
6.033057851239669 x 100 = 603.31%