250.9% is the change from 279 to 979
Calculation steps:
[( 979 - 279 ) ÷ 279] x 100 = 250.9%
Formula
Percentage change = [(979 - 279) / 279] x 100
Subtract the new number by the original number
979 - 279 = 700
700 ÷ 279 = 2.5089605734767026
2.5089605734767026 x 100 = 250.9%