-12.98% is the change from 285 to 248
Calculation steps:
[( 248 - 285 ) ÷ 285] x 100 = -12.98%
Formula
Percentage change = [(248 - 285) / 285] x 100
Subtract the new number by the original number
248 - 285 = -37
-37 ÷ 285 = -0.12982456140350876
-0.12982456140350876 x 100 = -12.98%