-88.41% is the change from 837 to 97
Calculation steps:
[( 97 - 837 ) ÷ 837] x 100 = -88.41%
Formula
Percentage change = [(97 - 837) / 837] x 100
Subtract the new number by the original number
97 - 837 = -740
-740 ÷ 837 = -0.8841099163679809
-0.8841099163679809 x 100 = -88.41%