-88.21% is the change from 831 to 98
Calculation steps:
[( 98 - 831 ) ÷ 831] x 100 = -88.21%
Formula
Percentage change = [(98 - 831) / 831] x 100
Subtract the new number by the original number
98 - 831 = -733
-733 ÷ 831 = -0.8820697954271961
-0.8820697954271961 x 100 = -88.21%