102.15% is the change from 418 to 845
Calculation steps:
[( 845 - 418 ) ÷ 418] x 100 = 102.15%
Formula
Percentage change = [(845 - 418) / 418] x 100
Subtract the new number by the original number
845 - 418 = 427
427 ÷ 418 = 1.0215311004784688
1.0215311004784688 x 100 = 102.15%