-87.34% is the change from 308 to 39
Calculation steps:
[( 39 - 308 ) ÷ 308] x 100 = -87.34%
Formula
Percentage change = [(39 - 308) / 308] x 100
Subtract the new number by the original number
39 - 308 = -269
-269 ÷ 308 = -0.8733766233766234
-0.8733766233766234 x 100 = -87.34%