-52.78% is the change from 324 to 153
Calculation steps:
[( 153 - 324 ) ÷ 324] x 100 = -52.78%
Formula
Percentage change = [(153 - 324) / 324] x 100
Subtract the new number by the original number
153 - 324 = -171
-171 ÷ 324 = -0.5277777777777778
-0.5277777777777778 x 100 = -52.78%