-93.8% is the change from 677 to 42
Calculation steps:
[( 42 - 677 ) ÷ 677] x 100 = -93.8%
Formula
Percentage change = [(42 - 677) / 677] x 100
Subtract the new number by the original number
42 - 677 = -635
-635 ÷ 677 = -0.9379615952732644
-0.9379615952732644 x 100 = -93.8%