-46.91% is the change from 324 to 172
Calculation steps:
[( 172 - 324 ) ÷ 324] x 100 = -46.91%
Formula
Percentage change = [(172 - 324) / 324] x 100
Subtract the new number by the original number
172 - 324 = -152
-152 ÷ 324 = -0.4691358024691358
-0.4691358024691358 x 100 = -46.91%