63.44% is the change from 279 to 456
Calculation steps:
[( 456 - 279 ) ÷ 279] x 100 = 63.44%
Formula
Percentage change = [(456 - 279) / 279] x 100
Subtract the new number by the original number
456 - 279 = 177
177 ÷ 279 = 0.6344086021505376
0.6344086021505376 x 100 = 63.44%