-85.95% is the change from 669 to 94
Calculation steps:
[( 94 - 669 ) ÷ 669] x 100 = -85.95%
Formula
Percentage change = [(94 - 669) / 669] x 100
Subtract the new number by the original number
94 - 669 = -575
-575 ÷ 669 = -0.85949177877429
-0.85949177877429 x 100 = -85.95%