93.6% is the change from 422 to 817
Calculation steps:
[( 817 - 422 ) ÷ 422] x 100 = 93.6%
Formula
Percentage change = [(817 - 422) / 422] x 100
Subtract the new number by the original number
817 - 422 = 395
395 ÷ 422 = 0.9360189573459715
0.9360189573459715 x 100 = 93.6%