54.07% is the change from 418 to 644
Calculation steps:
[( 644 - 418 ) ÷ 418] x 100 = 54.07%
Formula
Percentage change = [(644 - 418) / 418] x 100
Subtract the new number by the original number
644 - 418 = 226
226 ÷ 418 = 0.5406698564593302
0.5406698564593302 x 100 = 54.07%