15.9% is the change from 830 to 962
Calculation steps:
[( 962 - 830 ) ÷ 830] x 100 = 15.9%
Formula
Percentage change = [(962 - 830) / 830] x 100
Subtract the new number by the original number
962 - 830 = 132
132 ÷ 830 = 0.15903614457831325
0.15903614457831325 x 100 = 15.9%