-95.72% is the change from 631 to 27
Calculation steps:
[( 27 - 631 ) ÷ 631] x 100 = -95.72%
Formula
Percentage change = [(27 - 631) / 631] x 100
Subtract the new number by the original number
27 - 631 = -604
-604 ÷ 631 = -0.9572107765451664
-0.9572107765451664 x 100 = -95.72%