-54.01% is the change from 324 to 149
Calculation steps:
[( 149 - 324 ) ÷ 324] x 100 = -54.01%
Formula
Percentage change = [(149 - 324) / 324] x 100
Subtract the new number by the original number
149 - 324 = -175
-175 ÷ 324 = -0.5401234567901234
-0.5401234567901234 x 100 = -54.01%