79.57% is the change from 279 to 501
Calculation steps:
[( 501 - 279 ) ÷ 279] x 100 = 79.57%
Formula
Percentage change = [(501 - 279) / 279] x 100
Subtract the new number by the original number
501 - 279 = 222
222 ÷ 279 = 0.7956989247311828
0.7956989247311828 x 100 = 79.57%