9.13% is the change from 843 to 920
Calculation steps:
[( 920 - 843 ) ÷ 843] x 100 = 9.13%
Formula
Percentage change = [(920 - 843) / 843] x 100
Subtract the new number by the original number
920 - 843 = 77
77 ÷ 843 = 0.09134045077105575
0.09134045077105575 x 100 = 9.13%