-55.25% is the change from 324 to 145
Calculation steps:
[( 145 - 324 ) ÷ 324] x 100 = -55.25%
Formula
Percentage change = [(145 - 324) / 324] x 100
Subtract the new number by the original number
145 - 324 = -179
-179 ÷ 324 = -0.5524691358024691
-0.5524691358024691 x 100 = -55.25%