-96.14% is the change from 803 to 31
Calculation steps:
[( 31 - 803 ) ÷ 803] x 100 = -96.14%
Formula
Percentage change = [(31 - 803) / 803] x 100
Subtract the new number by the original number
31 - 803 = -772
-772 ÷ 803 = -0.9613947696139477
-0.9613947696139477 x 100 = -96.14%