-37.14% is the change from 797 to 501
Calculation steps:
[( 501 - 797 ) ÷ 797] x 100 = -37.14%
Formula
Percentage change = [(501 - 797) / 797] x 100
Subtract the new number by the original number
501 - 797 = -296
-296 ÷ 797 = -0.3713927227101631
-0.3713927227101631 x 100 = -37.14%