136.56% is the change from 279 to 660
Calculation steps:
[( 660 - 279 ) ÷ 279] x 100 = 136.56%
Formula
Percentage change = [(660 - 279) / 279] x 100
Subtract the new number by the original number
660 - 279 = 381
381 ÷ 279 = 1.3655913978494623
1.3655913978494623 x 100 = 136.56%