28.39% is the change from 634 to 814
Calculation steps:
[( 814 - 634 ) ÷ 634] x 100 = 28.39%
Formula
Percentage change = [(814 - 634) / 634] x 100
Subtract the new number by the original number
814 - 634 = 180
180 ÷ 634 = 0.28391167192429023
0.28391167192429023 x 100 = 28.39%