-88.05% is the change from 318 to 38
Calculation steps:
[( 38 - 318 ) ÷ 318] x 100 = -88.05%
Formula
Percentage change = [(38 - 318) / 318] x 100
Subtract the new number by the original number
38 - 318 = -280
-280 ÷ 318 = -0.8805031446540881
-0.8805031446540881 x 100 = -88.05%