15.06% is the change from 830 to 955
Calculation steps:
[( 955 - 830 ) ÷ 830] x 100 = 15.06%
Formula
Percentage change = [(955 - 830) / 830] x 100
Subtract the new number by the original number
955 - 830 = 125
125 ÷ 830 = 0.15060240963855423
0.15060240963855423 x 100 = 15.06%