9.11% is the change from 779 to 850
Calculation steps:
[( 850 - 779 ) ÷ 779] x 100 = 9.11%
Formula
Percentage change = [(850 - 779) / 779] x 100
Subtract the new number by the original number
850 - 779 = 71
71 ÷ 779 = 0.09114249037227215
0.09114249037227215 x 100 = 9.11%