118.11% is the change from 381 to 831
Calculation steps:
[( 831 - 381 ) ÷ 381] x 100 = 118.11%
Formula
Percentage change = [(831 - 381) / 381] x 100
Subtract the new number by the original number
831 - 381 = 450
450 ÷ 381 = 1.1811023622047243
1.1811023622047243 x 100 = 118.11%