308.21% is the change from 207 to 845
Calculation steps:
[( 845 - 207 ) ÷ 207] x 100 = 308.21%
Formula
Percentage change = [(845 - 207) / 207] x 100
Subtract the new number by the original number
845 - 207 = 638
638 ÷ 207 = 3.082125603864734
3.082125603864734 x 100 = 308.21%