-17.66% is the change from 804 to 662
Calculation steps:
[( 662 - 804 ) ÷ 804] x 100 = -17.66%
Formula
Percentage change = [(662 - 804) / 804] x 100
Subtract the new number by the original number
662 - 804 = -142
-142 ÷ 804 = -0.17661691542288557
-0.17661691542288557 x 100 = -17.66%