40.55% is the change from 651 to 915
Calculation steps:
[( 915 - 651 ) ÷ 651] x 100 = 40.55%
Formula
Percentage change = [(915 - 651) / 651] x 100
Subtract the new number by the original number
915 - 651 = 264
264 ÷ 651 = 0.4055299539170507
0.4055299539170507 x 100 = 40.55%