-13.37% is the change from 501 to 434
Calculation steps:
[( 434 - 501 ) ÷ 501] x 100 = -13.37%
Formula
Percentage change = [(434 - 501) / 501] x 100
Subtract the new number by the original number
434 - 501 = -67
-67 ÷ 501 = -0.13373253493013973
-0.13373253493013973 x 100 = -13.37%