-37.38% is the change from 808 to 506
Calculation steps:
[( 506 - 808 ) ÷ 808] x 100 = -37.38%
Formula
Percentage change = [(506 - 808) / 808] x 100
Subtract the new number by the original number
506 - 808 = -302
-302 ÷ 808 = -0.37376237623762376
-0.37376237623762376 x 100 = -37.38%