-38.11% is the change from 803 to 497
Calculation steps:
[( 497 - 803 ) ÷ 803] x 100 = -38.11%
Formula
Percentage change = [(497 - 803) / 803] x 100
Subtract the new number by the original number
497 - 803 = -306
-306 ÷ 803 = -0.38107098381070986
-0.38107098381070986 x 100 = -38.11%