-36.93% is the change from 501 to 316
Calculation steps:
[( 316 - 501 ) ÷ 501] x 100 = -36.93%
Formula
Percentage change = [(316 - 501) / 501] x 100
Subtract the new number by the original number
316 - 501 = -185
-185 ÷ 501 = -0.36926147704590817
-0.36926147704590817 x 100 = -36.93%