7.88% is the change from 850 to 917
Calculation steps:
[( 917 - 850 ) ÷ 850] x 100 = 7.88%
Formula
Percentage change = [(917 - 850) / 850] x 100
Subtract the new number by the original number
917 - 850 = 67
67 ÷ 850 = 0.07882352941176471
0.07882352941176471 x 100 = 7.88%