381.37% is the change from 102 to 491
Calculation steps:
[( 491 - 102 ) ÷ 102] x 100 = 381.37%
Formula
Percentage change = [(491 - 102) / 102] x 100
Subtract the new number by the original number
491 - 102 = 389
389 ÷ 102 = 3.8137254901960786
3.8137254901960786 x 100 = 381.37%