115.03% is the change from 386 to 830
Calculation steps:
[( 830 - 386 ) ÷ 386] x 100 = 115.03%
Formula
Percentage change = [(830 - 386) / 386] x 100
Subtract the new number by the original number
830 - 386 = 444
444 ÷ 386 = 1.150259067357513
1.150259067357513 x 100 = 115.03%