-89.58% is the change from 662 to 69
Calculation steps:
[( 69 - 662 ) ÷ 662] x 100 = -89.58%
Formula
Percentage change = [(69 - 662) / 662] x 100
Subtract the new number by the original number
69 - 662 = -593
-593 ÷ 662 = -0.8957703927492447
-0.8957703927492447 x 100 = -89.58%