-93.48% is the change from 813 to 53
Calculation steps:
[( 53 - 813 ) ÷ 813] x 100 = -93.48%
Formula
Percentage change = [(53 - 813) / 813] x 100
Subtract the new number by the original number
53 - 813 = -760
-760 ÷ 813 = -0.9348093480934809
-0.9348093480934809 x 100 = -93.48%