8.71% is the change from 850 to 924
Calculation steps:
[( 924 - 850 ) ÷ 850] x 100 = 8.71%
Formula
Percentage change = [(924 - 850) / 850] x 100
Subtract the new number by the original number
924 - 850 = 74
74 ÷ 850 = 0.08705882352941176
0.08705882352941176 x 100 = 8.71%