-42.42% is the change from 561 to 323
Calculation steps:
[( 323 - 561 ) ÷ 561] x 100 = -42.42%
Formula
Percentage change = [(323 - 561) / 561] x 100
Subtract the new number by the original number
323 - 561 = -238
-238 ÷ 561 = -0.42424242424242425
-0.42424242424242425 x 100 = -42.42%