38.87% is the change from 283 to 393
Calculation steps:
[( 393 - 283 ) ÷ 283] x 100 = 38.87%
Formula
Percentage change = [(393 - 283) / 283] x 100
Subtract the new number by the original number
393 - 283 = 110
110 ÷ 283 = 0.38869257950530034
0.38869257950530034 x 100 = 38.87%