-89.21% is the change from 667 to 72
Calculation steps:
[( 72 - 667 ) ÷ 667] x 100 = -89.21%
Formula
Percentage change = [(72 - 667) / 667] x 100
Subtract the new number by the original number
72 - 667 = -595
-595 ÷ 667 = -0.8920539730134932
-0.8920539730134932 x 100 = -89.21%