27.63% is the change from 637 to 813
Calculation steps:
[( 813 - 637 ) ÷ 637] x 100 = 27.63%
Formula
Percentage change = [(813 - 637) / 637] x 100
Subtract the new number by the original number
813 - 637 = 176
176 ÷ 637 = 0.27629513343799056
0.27629513343799056 x 100 = 27.63%