-40.63% is the change from 32 to 19
Calculation steps:
[( 19 - 32 ) ÷ 32] x 100 = -40.63%
Formula
Percentage change = [(19 - 32) / 32] x 100
Subtract the new number by the original number
19 - 32 = -13
-13 ÷ 32 = -0.40625
-0.40625 x 100 = -40.63%
Example