-97.44% is the change from 39 to 1
Calculation steps:
[( 1 - 39 ) ÷ 39] x 100 = -97.44%
Formula
Percentage change = [(1 - 39) / 39] x 100
Subtract the new number by the original number
1 - 39 = -38
-38 ÷ 39 = -0.9743589743589743
-0.9743589743589743 x 100 = -97.44%