9.12% is the change from 866 to 945
Calculation steps:
[( 945 - 866 ) ÷ 866] x 100 = 9.12%
Formula
Percentage change = [(945 - 866) / 866] x 100
Subtract the new number by the original number
945 - 866 = 79
79 ÷ 866 = 0.09122401847575058
0.09122401847575058 x 100 = 9.12%