40.5% is the change from 279 to 392
Calculation steps:
[( 392 - 279 ) ÷ 279] x 100 = 40.5%
Formula
Percentage change = [(392 - 279) / 279] x 100
Subtract the new number by the original number
392 - 279 = 113
113 ÷ 279 = 0.4050179211469534
0.4050179211469534 x 100 = 40.5%