-17.02% is the change from 805 to 668
Calculation steps:
[( 668 - 805 ) ÷ 805] x 100 = -17.02%
Formula
Percentage change = [(668 - 805) / 805] x 100
Subtract the new number by the original number
668 - 805 = -137
-137 ÷ 805 = -0.1701863354037267
-0.1701863354037267 x 100 = -17.02%