-90.5% is the change from 695 to 66
Calculation steps:
[( 66 - 695 ) ÷ 695] x 100 = -90.5%
Formula
Percentage change = [(66 - 695) / 695] x 100
Subtract the new number by the original number
66 - 695 = -629
-629 ÷ 695 = -0.9050359712230216
-0.9050359712230216 x 100 = -90.5%