-89.17% is the change from 665 to 72
Calculation steps:
[( 72 - 665 ) ÷ 665] x 100 = -89.17%
Formula
Percentage change = [(72 - 665) / 665] x 100
Subtract the new number by the original number
72 - 665 = -593
-593 ÷ 665 = -0.8917293233082707
-0.8917293233082707 x 100 = -89.17%