18.67% is the change from 830 to 985
Calculation steps:
[( 985 - 830 ) ÷ 830] x 100 = 18.67%
Formula
Percentage change = [(985 - 830) / 830] x 100
Subtract the new number by the original number
985 - 830 = 155
155 ÷ 830 = 0.18674698795180722
0.18674698795180722 x 100 = 18.67%