20.06% is the change from 678 to 814
Calculation steps:
[( 814 - 678 ) ÷ 678] x 100 = 20.06%
Formula
Percentage change = [(814 - 678) / 678] x 100
Subtract the new number by the original number
814 - 678 = 136
136 ÷ 678 = 0.20058997050147492
0.20058997050147492 x 100 = 20.06%