84.58% is the change from 454 to 838
Calculation steps:
[( 838 - 454 ) ÷ 454] x 100 = 84.58%
Formula
Percentage change = [(838 - 454) / 454] x 100
Subtract the new number by the original number
838 - 454 = 384
384 ÷ 454 = 0.8458149779735683
0.8458149779735683 x 100 = 84.58%