383.33% is the change from 102 to 493
Calculation steps:
[( 493 - 102 ) ÷ 102] x 100 = 383.33%
Formula
Percentage change = [(493 - 102) / 102] x 100
Subtract the new number by the original number
493 - 102 = 391
391 ÷ 102 = 3.8333333333333335
3.8333333333333335 x 100 = 383.33%