247.1% is the change from 259 to 899
Calculation steps:
[( 899 - 259 ) ÷ 259] x 100 = 247.1%
Formula
Percentage change = [(899 - 259) / 259] x 100
Subtract the new number by the original number
899 - 259 = 640
640 ÷ 259 = 2.471042471042471
2.471042471042471 x 100 = 247.1%