84.21% is the change from 418 to 770
Calculation steps:
[( 770 - 418 ) ÷ 418] x 100 = 84.21%
Formula
Percentage change = [(770 - 418) / 418] x 100
Subtract the new number by the original number
770 - 418 = 352
352 ÷ 418 = 0.8421052631578947
0.8421052631578947 x 100 = 84.21%