8.12% is the change from 850 to 919
Calculation steps:
[( 919 - 850 ) ÷ 850] x 100 = 8.12%
Formula
Percentage change = [(919 - 850) / 850] x 100
Subtract the new number by the original number
919 - 850 = 69
69 ÷ 850 = 0.0811764705882353
0.0811764705882353 x 100 = 8.12%