-43.59% is the change from 39 to 22
Calculation steps:
[( 22 - 39 ) ÷ 39] x 100 = -43.59%
Formula
Percentage change = [(22 - 39) / 39] x 100
Subtract the new number by the original number
22 - 39 = -17
-17 ÷ 39 = -0.4358974358974359
-0.4358974358974359 x 100 = -43.59%