591.74% is the change from 121 to 837
Calculation steps:
[( 837 - 121 ) ÷ 121] x 100 = 591.74%
Formula
Percentage change = [(837 - 121) / 121] x 100
Subtract the new number by the original number
837 - 121 = 716
716 ÷ 121 = 5.917355371900826
5.917355371900826 x 100 = 591.74%