310.19% is the change from 206 to 845
Calculation steps:
[( 845 - 206 ) ÷ 206] x 100 = 310.19%
Formula
Percentage change = [(845 - 206) / 206] x 100
Subtract the new number by the original number
845 - 206 = 639
639 ÷ 206 = 3.1019417475728157
3.1019417475728157 x 100 = 310.19%