338.5% is the change from 226 to 991
Calculation steps:
[( 991 - 226 ) ÷ 226] x 100 = 338.5%
Formula
Percentage change = [(991 - 226) / 226] x 100
Subtract the new number by the original number
991 - 226 = 765
765 ÷ 226 = 3.3849557522123894
3.3849557522123894 x 100 = 338.5%