-33.53% is the change from 501 to 333
Calculation steps:
[( 333 - 501 ) ÷ 501] x 100 = -33.53%
Formula
Percentage change = [(333 - 501) / 501] x 100
Subtract the new number by the original number
333 - 501 = -168
-168 ÷ 501 = -0.33532934131736525
-0.33532934131736525 x 100 = -33.53%