-37.02% is the change from 805 to 507
Calculation steps:
[( 507 - 805 ) ÷ 805] x 100 = -37.02%
Formula
Percentage change = [(507 - 805) / 805] x 100
Subtract the new number by the original number
507 - 805 = -298
-298 ÷ 805 = -0.3701863354037267
-0.3701863354037267 x 100 = -37.02%