275.5% is the change from 249 to 935
Calculation steps:
[( 935 - 249 ) ÷ 249] x 100 = 275.5%
Formula
Percentage change = [(935 - 249) / 249] x 100
Subtract the new number by the original number
935 - 249 = 686
686 ÷ 249 = 2.755020080321285
2.755020080321285 x 100 = 275.5%