310.73% is the change from 205 to 842
Calculation steps:
[( 842 - 205 ) ÷ 205] x 100 = 310.73%
Formula
Percentage change = [(842 - 205) / 205] x 100
Subtract the new number by the original number
842 - 205 = 637
637 ÷ 205 = 3.107317073170732
3.107317073170732 x 100 = 310.73%