-86.96% is the change from 299 to 39
Calculation steps:
[( 39 - 299 ) ÷ 299] x 100 = -86.96%
Formula
Percentage change = [(39 - 299) / 299] x 100
Subtract the new number by the original number
39 - 299 = -260
-260 ÷ 299 = -0.8695652173913043
-0.8695652173913043 x 100 = -86.96%