-74.06% is the change from 667 to 173
Calculation steps:
[( 173 - 667 ) ÷ 667] x 100 = -74.06%
Formula
Percentage change = [(173 - 667) / 667] x 100
Subtract the new number by the original number
173 - 667 = -494
-494 ÷ 667 = -0.7406296851574213
-0.7406296851574213 x 100 = -74.06%