-36.89% is the change from 805 to 508
Calculation steps:
[( 508 - 805 ) ÷ 805] x 100 = -36.89%
Formula
Percentage change = [(508 - 805) / 805] x 100
Subtract the new number by the original number
508 - 805 = -297
-297 ÷ 805 = -0.368944099378882
-0.368944099378882 x 100 = -36.89%