-95.2% is the change from 813 to 39
Calculation steps:
[( 39 - 813 ) ÷ 813] x 100 = -95.2%
Formula
Percentage change = [(39 - 813) / 813] x 100
Subtract the new number by the original number
39 - 813 = -774
-774 ÷ 813 = -0.9520295202952029
-0.9520295202952029 x 100 = -95.2%