273.49% is the change from 249 to 930
Calculation steps:
[( 930 - 249 ) ÷ 249] x 100 = 273.49%
Formula
Percentage change = [(930 - 249) / 249] x 100
Subtract the new number by the original number
930 - 249 = 681
681 ÷ 249 = 2.7349397590361444
2.7349397590361444 x 100 = 273.49%