30.97% is the change from 381 to 499
Calculation steps:
[( 499 - 381 ) ÷ 381] x 100 = 30.97%
Formula
Percentage change = [(499 - 381) / 381] x 100
Subtract the new number by the original number
499 - 381 = 118
118 ÷ 381 = 0.30971128608923887
0.30971128608923887 x 100 = 30.97%