13.01% is the change from 830 to 938
Calculation steps:
[( 938 - 830 ) ÷ 830] x 100 = 13.01%
Formula
Percentage change = [(938 - 830) / 830] x 100
Subtract the new number by the original number
938 - 830 = 108
108 ÷ 830 = 0.13012048192771083
0.13012048192771083 x 100 = 13.01%