-36.42% is the change from 508 to 323
Calculation steps:
[( 323 - 508 ) ÷ 508] x 100 = -36.42%
Formula
Percentage change = [(323 - 508) / 508] x 100
Subtract the new number by the original number
323 - 508 = -185
-185 ÷ 508 = -0.3641732283464567
-0.3641732283464567 x 100 = -36.42%