-84.91% is the change from 318 to 48
Calculation steps:
[( 48 - 318 ) ÷ 318] x 100 = -84.91%
Formula
Percentage change = [(48 - 318) / 318] x 100
Subtract the new number by the original number
48 - 318 = -270
-270 ÷ 318 = -0.8490566037735849
-0.8490566037735849 x 100 = -84.91%