139.43% is the change from 279 to 668
Calculation steps:
[( 668 - 279 ) ÷ 279] x 100 = 139.43%
Formula
Percentage change = [(668 - 279) / 279] x 100
Subtract the new number by the original number
668 - 279 = 389
389 ÷ 279 = 1.3942652329749103
1.3942652329749103 x 100 = 139.43%