-16.6% is the change from 801 to 668
Calculation steps:
[( 668 - 801 ) ÷ 801] x 100 = -16.6%
Formula
Percentage change = [(668 - 801) / 801] x 100
Subtract the new number by the original number
668 - 801 = -133
-133 ÷ 801 = -0.16604244694132334
-0.16604244694132334 x 100 = -16.6%