-75.05% is the change from 998 to 249
Calculation steps:
[( 249 - 998 ) ÷ 998] x 100 = -75.05%
Formula
Percentage change = [(249 - 998) / 998] x 100
Subtract the new number by the original number
249 - 998 = -749
-749 ÷ 998 = -0.750501002004008
-0.750501002004008 x 100 = -75.05%