78.49% is the change from 279 to 498
Calculation steps:
[( 498 - 279 ) ÷ 279] x 100 = 78.49%
Formula
Percentage change = [(498 - 279) / 279] x 100
Subtract the new number by the original number
498 - 279 = 219
219 ÷ 279 = 0.7849462365591398
0.7849462365591398 x 100 = 78.49%