271.08% is the change from 249 to 924
Calculation steps:
[( 924 - 249 ) ÷ 249] x 100 = 271.08%
Formula
Percentage change = [(924 - 249) / 249] x 100
Subtract the new number by the original number
924 - 249 = 675
675 ÷ 249 = 2.710843373493976
2.710843373493976 x 100 = 271.08%