-92.91% is the change from 663 to 47
Calculation steps:
[( 47 - 663 ) ÷ 663] x 100 = -92.91%
Formula
Percentage change = [(47 - 663) / 663] x 100
Subtract the new number by the original number
47 - 663 = -616
-616 ÷ 663 = -0.9291101055806938
-0.9291101055806938 x 100 = -92.91%