-34.15% is the change from 492 to 324
Calculation steps:
[( 324 - 492 ) ÷ 492] x 100 = -34.15%
Formula
Percentage change = [(324 - 492) / 492] x 100
Subtract the new number by the original number
324 - 492 = -168
-168 ÷ 492 = -0.34146341463414637
-0.34146341463414637 x 100 = -34.15%