99.56% is the change from 226 to 451
Calculation steps:
[( 451 - 226 ) ÷ 226] x 100 = 99.56%
Formula
Percentage change = [(451 - 226) / 226] x 100
Subtract the new number by the original number
451 - 226 = 225
225 ÷ 226 = 0.995575221238938
0.995575221238938 x 100 = 99.56%