307.8% is the change from 205 to 836
Calculation steps:
[( 836 - 205 ) ÷ 205] x 100 = 307.8%
Formula
Percentage change = [(836 - 205) / 205] x 100
Subtract the new number by the original number
836 - 205 = 631
631 ÷ 205 = 3.078048780487805
3.078048780487805 x 100 = 307.8%