77.78% is the change from 279 to 496
Calculation steps:
[( 496 - 279 ) ÷ 279] x 100 = 77.78%
Formula
Percentage change = [(496 - 279) / 279] x 100
Subtract the new number by the original number
496 - 279 = 217
217 ÷ 279 = 0.7777777777777778
0.7777777777777778 x 100 = 77.78%