641.32% is the change from 121 to 897
Calculation steps:
[( 897 - 121 ) ÷ 121] x 100 = 641.32%
Formula
Percentage change = [(897 - 121) / 121] x 100
Subtract the new number by the original number
897 - 121 = 776
776 ÷ 121 = 6.413223140495868
6.413223140495868 x 100 = 641.32%