299.19% is the change from 248 to 990
Calculation steps:
[( 990 - 248 ) ÷ 248] x 100 = 299.19%
Formula
Percentage change = [(990 - 248) / 248] x 100
Subtract the new number by the original number
990 - 248 = 742
742 ÷ 248 = 2.9919354838709675
2.9919354838709675 x 100 = 299.19%