-40.74% is the change from 108 to 64
Calculation steps:
[( 64 - 108 ) ÷ 108] x 100 = -40.74%
Formula
Percentage change = [(64 - 108) / 108] x 100
Subtract the new number by the original number
64 - 108 = -44
-44 ÷ 108 = -0.4074074074074074
-0.4074074074074074 x 100 = -40.74%