-84% is the change from 300 to 48
Calculation steps:
[( 48 - 300 ) ÷ 300] x 100 = -84%
Formula
Percentage change = [(48 - 300) / 300] x 100
Subtract the new number by the original number
48 - 300 = -252
-252 ÷ 300 = -0.84
-0.84 x 100 = -84%
Example