64.59% is the change from 418 to 688
Calculation steps:
[( 688 - 418 ) ÷ 418] x 100 = 64.59%
Formula
Percentage change = [(688 - 418) / 418] x 100
Subtract the new number by the original number
688 - 418 = 270
270 ÷ 418 = 0.645933014354067
0.645933014354067 x 100 = 64.59%