285.54% is the change from 249 to 960
Calculation steps:
[( 960 - 249 ) ÷ 249] x 100 = 285.54%
Formula
Percentage change = [(960 - 249) / 249] x 100
Subtract the new number by the original number
960 - 249 = 711
711 ÷ 249 = 2.855421686746988
2.855421686746988 x 100 = 285.54%