-40.66% is the change from 546 to 324
Calculation steps:
[( 324 - 546 ) ÷ 546] x 100 = -40.66%
Formula
Percentage change = [(324 - 546) / 546] x 100
Subtract the new number by the original number
324 - 546 = -222
-222 ÷ 546 = -0.4065934065934066
-0.4065934065934066 x 100 = -40.66%