-92.96% is the change from 668 to 47
Calculation steps:
[( 47 - 668 ) ÷ 668] x 100 = -92.96%
Formula
Percentage change = [(47 - 668) / 668] x 100
Subtract the new number by the original number
47 - 668 = -621
-621 ÷ 668 = -0.9296407185628742
-0.9296407185628742 x 100 = -92.96%