-93.63% is the change from 659 to 42
Calculation steps:
[( 42 - 659 ) ÷ 659] x 100 = -93.63%
Formula
Percentage change = [(42 - 659) / 659] x 100
Subtract the new number by the original number
42 - 659 = -617
-617 ÷ 659 = -0.936267071320182
-0.936267071320182 x 100 = -93.63%