-33.73% is the change from 501 to 332
Calculation steps:
[( 332 - 501 ) ÷ 501] x 100 = -33.73%
Formula
Percentage change = [(332 - 501) / 501] x 100
Subtract the new number by the original number
332 - 501 = -169
-169 ÷ 501 = -0.3373253493013972
-0.3373253493013972 x 100 = -33.73%