257.71% is the change from 279 to 998
Calculation steps:
[( 998 - 279 ) ÷ 279] x 100 = 257.71%
Formula
Percentage change = [(998 - 279) / 279] x 100
Subtract the new number by the original number
998 - 279 = 719
719 ÷ 279 = 2.5770609318996414
2.5770609318996414 x 100 = 257.71%