642.15% is the change from 121 to 898
Calculation steps:
[( 898 - 121 ) ÷ 121] x 100 = 642.15%
Formula
Percentage change = [(898 - 121) / 121] x 100
Subtract the new number by the original number
898 - 121 = 777
777 ÷ 121 = 6.421487603305785
6.421487603305785 x 100 = 642.15%