33.59% is the change from 637 to 851
Calculation steps:
[( 851 - 637 ) ÷ 637] x 100 = 33.59%
Formula
Percentage change = [(851 - 637) / 637] x 100
Subtract the new number by the original number
851 - 637 = 214
214 ÷ 637 = 0.3359497645211931
0.3359497645211931 x 100 = 33.59%