-96.79% is the change from 249 to 8
Calculation steps:
[( 8 - 249 ) ÷ 249] x 100 = -96.79%
Formula
Percentage change = [(8 - 249) / 249] x 100
Subtract the new number by the original number
8 - 249 = -241
-241 ÷ 249 = -0.9678714859437751
-0.9678714859437751 x 100 = -96.79%