-12.97% is the change from 501 to 436
Calculation steps:
[( 436 - 501 ) ÷ 501] x 100 = -12.97%
Formula
Percentage change = [(436 - 501) / 501] x 100
Subtract the new number by the original number
436 - 501 = -65
-65 ÷ 501 = -0.12974051896207583
-0.12974051896207583 x 100 = -12.97%