285.33% is the change from 259 to 998
Calculation steps:
[( 998 - 259 ) ÷ 259] x 100 = 285.33%
Formula
Percentage change = [(998 - 259) / 259] x 100
Subtract the new number by the original number
998 - 259 = 739
739 ÷ 259 = 2.853281853281853
2.853281853281853 x 100 = 285.33%