50% is the change from 418 to 627
Calculation steps:
[( 627 - 418 ) ÷ 418] x 100 = 50%
Formula
Percentage change = [(627 - 418) / 418] x 100
Subtract the new number by the original number
627 - 418 = 209
209 ÷ 418 = 0.5
0.5 x 100 = 50%
Example