-95.93% is the change from 663 to 27
Calculation steps:
[( 27 - 663 ) ÷ 663] x 100 = -95.93%
Formula
Percentage change = [(27 - 663) / 663] x 100
Subtract the new number by the original number
27 - 663 = -636
-636 ÷ 663 = -0.9592760180995475
-0.9592760180995475 x 100 = -95.93%