-37.61% is the change from 803 to 501
Calculation steps:
[( 501 - 803 ) ÷ 803] x 100 = -37.61%
Formula
Percentage change = [(501 - 803) / 803] x 100
Subtract the new number by the original number
501 - 803 = -302
-302 ÷ 803 = -0.37608966376089664
-0.37608966376089664 x 100 = -37.61%