268.27% is the change from 249 to 917
Calculation steps:
[( 917 - 249 ) ÷ 249] x 100 = 268.27%
Formula
Percentage change = [(917 - 249) / 249] x 100
Subtract the new number by the original number
917 - 249 = 668
668 ÷ 249 = 2.682730923694779
2.682730923694779 x 100 = 268.27%