18.8% is the change from 830 to 986
Calculation steps:
[( 986 - 830 ) ÷ 830] x 100 = 18.8%
Formula
Percentage change = [(986 - 830) / 830] x 100
Subtract the new number by the original number
986 - 830 = 156
156 ÷ 830 = 0.18795180722891566
0.18795180722891566 x 100 = 18.8%