78.85% is the change from 279 to 499
Calculation steps:
[( 499 - 279 ) ÷ 279] x 100 = 78.85%
Formula
Percentage change = [(499 - 279) / 279] x 100
Subtract the new number by the original number
499 - 279 = 220
220 ÷ 279 = 0.7885304659498208
0.7885304659498208 x 100 = 78.85%