92.37% is the change from 249 to 479
Calculation steps:
[( 479 - 249 ) ÷ 249] x 100 = 92.37%
Formula
Percentage change = [(479 - 249) / 249] x 100
Subtract the new number by the original number
479 - 249 = 230
230 ÷ 249 = 0.9236947791164659
0.9236947791164659 x 100 = 92.37%