-37.25% is the change from 808 to 507
Calculation steps:
[( 507 - 808 ) ÷ 808] x 100 = -37.25%
Formula
Percentage change = [(507 - 808) / 808] x 100
Subtract the new number by the original number
507 - 808 = -301
-301 ÷ 808 = -0.3725247524752475
-0.3725247524752475 x 100 = -37.25%