63.8% is the change from 279 to 457
Calculation steps:
[( 457 - 279 ) ÷ 279] x 100 = 63.8%
Formula
Percentage change = [(457 - 279) / 279] x 100
Subtract the new number by the original number
457 - 279 = 178
178 ÷ 279 = 0.6379928315412187
0.6379928315412187 x 100 = 63.8%