-93.62% is the change from 658 to 42
Calculation steps:
[( 42 - 658 ) ÷ 658] x 100 = -93.62%
Formula
Percentage change = [(42 - 658) / 658] x 100
Subtract the new number by the original number
42 - 658 = -616
-616 ÷ 658 = -0.9361702127659575
-0.9361702127659575 x 100 = -93.62%