-43.75% is the change from 48 to 27
Calculation steps:
[( 27 - 48 ) ÷ 48] x 100 = -43.75%
Formula
Percentage change = [(27 - 48) / 48] x 100
Subtract the new number by the original number
27 - 48 = -21
-21 ÷ 48 = -0.4375
-0.4375 x 100 = -43.75%
Example