287.15% is the change from 249 to 964
Calculation steps:
[( 964 - 249 ) ÷ 249] x 100 = 287.15%
Formula
Percentage change = [(964 - 249) / 249] x 100
Subtract the new number by the original number
964 - 249 = 715
715 ÷ 249 = 2.8714859437751006
2.8714859437751006 x 100 = 287.15%