25.19% is the change from 651 to 815
Calculation steps:
[( 815 - 651 ) ÷ 651] x 100 = 25.19%
Formula
Percentage change = [(815 - 651) / 651] x 100
Subtract the new number by the original number
815 - 651 = 164
164 ÷ 651 = 0.2519201228878648
0.2519201228878648 x 100 = 25.19%