41.9% is the change from 284 to 403
Calculation steps:
[( 403 - 284 ) ÷ 284] x 100 = 41.9%
Formula
Percentage change = [(403 - 284) / 284] x 100
Subtract the new number by the original number
403 - 284 = 119
119 ÷ 284 = 0.41901408450704225
0.41901408450704225 x 100 = 41.9%