42.6% is the change from 601 to 857
Calculation steps:
[( 857 - 601 ) ÷ 601] x 100 = 42.6%
Formula
Percentage change = [(857 - 601) / 601] x 100
Subtract the new number by the original number
857 - 601 = 256
256 ÷ 601 = 0.4259567387687188
0.4259567387687188 x 100 = 42.6%