-94.99% is the change from 619 to 31
Calculation steps:
[( 31 - 619 ) ÷ 619] x 100 = -94.99%
Formula
Percentage change = [(31 - 619) / 619] x 100
Subtract the new number by the original number
31 - 619 = -588
-588 ÷ 619 = -0.9499192245557351
-0.9499192245557351 x 100 = -94.99%