-16.89% is the change from 805 to 669
Calculation steps:
[( 669 - 805 ) ÷ 805] x 100 = -16.89%
Formula
Percentage change = [(669 - 805) / 805] x 100
Subtract the new number by the original number
669 - 805 = -136
-136 ÷ 805 = -0.168944099378882
-0.168944099378882 x 100 = -16.89%