-94.88% is the change from 605 to 31
Calculation steps:
[( 31 - 605 ) ÷ 605] x 100 = -94.88%
Formula
Percentage change = [(31 - 605) / 605] x 100
Subtract the new number by the original number
31 - 605 = -574
-574 ÷ 605 = -0.9487603305785124
-0.9487603305785124 x 100 = -94.88%