81.1% is the change from 418 to 757
Calculation steps:
[( 757 - 418 ) ÷ 418] x 100 = 81.1%
Formula
Percentage change = [(757 - 418) / 418] x 100
Subtract the new number by the original number
757 - 418 = 339
339 ÷ 418 = 0.8110047846889952
0.8110047846889952 x 100 = 81.1%