-85.61% is the change from 660 to 95
Calculation steps:
[( 95 - 660 ) ÷ 660] x 100 = -85.61%
Formula
Percentage change = [(95 - 660) / 660] x 100
Subtract the new number by the original number
95 - 660 = -565
-565 ÷ 660 = -0.8560606060606061
-0.8560606060606061 x 100 = -85.61%