117.85% is the change from 381 to 830
Calculation steps:
[( 830 - 381 ) ÷ 381] x 100 = 117.85%
Formula
Percentage change = [(830 - 381) / 381] x 100
Subtract the new number by the original number
830 - 381 = 449
449 ÷ 381 = 1.178477690288714
1.178477690288714 x 100 = 117.85%