-89.24% is the change from 669 to 72
Calculation steps:
[( 72 - 669 ) ÷ 669] x 100 = -89.24%
Formula
Percentage change = [(72 - 669) / 669] x 100
Subtract the new number by the original number
72 - 669 = -597
-597 ÷ 669 = -0.8923766816143498
-0.8923766816143498 x 100 = -89.24%