38.52% is the change from 283 to 392
Calculation steps:
[( 392 - 283 ) ÷ 283] x 100 = 38.52%
Formula
Percentage change = [(392 - 283) / 283] x 100
Subtract the new number by the original number
392 - 283 = 109
109 ÷ 283 = 0.38515901060070673
0.38515901060070673 x 100 = 38.52%