42.79% is the change from 596 to 851
Calculation steps:
[( 851 - 596 ) ÷ 596] x 100 = 42.79%
Formula
Percentage change = [(851 - 596) / 596] x 100
Subtract the new number by the original number
851 - 596 = 255
255 ÷ 596 = 0.4278523489932886
0.4278523489932886 x 100 = 42.79%