310.29% is the change from 204 to 837
Calculation steps:
[( 837 - 204 ) ÷ 204] x 100 = 310.29%
Formula
Percentage change = [(837 - 204) / 204] x 100
Subtract the new number by the original number
837 - 204 = 633
633 ÷ 204 = 3.1029411764705883
3.1029411764705883 x 100 = 310.29%