-87.08% is the change from 325 to 42
Calculation steps:
[( 42 - 325 ) ÷ 325] x 100 = -87.08%
Formula
Percentage change = [(42 - 325) / 325] x 100
Subtract the new number by the original number
42 - 325 = -283
-283 ÷ 325 = -0.8707692307692307
-0.8707692307692307 x 100 = -87.08%