-73.53% is the change from 665 to 176
Calculation steps:
[( 176 - 665 ) ÷ 665] x 100 = -73.53%
Formula
Percentage change = [(176 - 665) / 665] x 100
Subtract the new number by the original number
176 - 665 = -489
-489 ÷ 665 = -0.7353383458646616
-0.7353383458646616 x 100 = -73.53%