-87.5% is the change from 48 to 6
Calculation steps:
[( 6 - 48 ) ÷ 48] x 100 = -87.5%
Formula
Percentage change = [(6 - 48) / 48] x 100
Subtract the new number by the original number
6 - 48 = -42
-42 ÷ 48 = -0.875
-0.875 x 100 = -87.5%
Example