100% is the change from 226 to 452
Calculation steps:
[( 452 - 226 ) ÷ 226] x 100 = 100%
Formula
Percentage change = [(452 - 226) / 226] x 100
Subtract the new number by the original number
452 - 226 = 226
226 ÷ 226 = 1
1 x 100 = 100%
Example