51.25% is the change from 279 to 422
Calculation steps:
[( 422 - 279 ) ÷ 279] x 100 = 51.25%
Formula
Percentage change = [(422 - 279) / 279] x 100
Subtract the new number by the original number
422 - 279 = 143
143 ÷ 279 = 0.5125448028673835
0.5125448028673835 x 100 = 51.25%