-97.18% is the change from 248 to 7
Calculation steps:
[( 7 - 248 ) ÷ 248] x 100 = -97.18%
Formula
Percentage change = [(7 - 248) / 248] x 100
Subtract the new number by the original number
7 - 248 = -241
-241 ÷ 248 = -0.9717741935483871
-0.9717741935483871 x 100 = -97.18%