8.54% is the change from 843 to 915
Calculation steps:
[( 915 - 843 ) ÷ 843] x 100 = 8.54%
Formula
Percentage change = [(915 - 843) / 843] x 100
Subtract the new number by the original number
915 - 843 = 72
72 ÷ 843 = 0.08540925266903915
0.08540925266903915 x 100 = 8.54%