8.83% is the change from 815 to 887
Calculation steps:
[( 887 - 815 ) ÷ 815] x 100 = 8.83%
Formula
Percentage change = [(887 - 815) / 815] x 100
Subtract the new number by the original number
887 - 815 = 72
72 ÷ 815 = 0.08834355828220859
0.08834355828220859 x 100 = 8.83%