15.29% is the change from 850 to 980
Calculation steps:
[( 980 - 850 ) ÷ 850] x 100 = 15.29%
Formula
Percentage change = [(980 - 850) / 850] x 100
Subtract the new number by the original number
980 - 850 = 130
130 ÷ 850 = 0.15294117647058825
0.15294117647058825 x 100 = 15.29%