-94.46% is the change from 813 to 45
Calculation steps:
[( 45 - 813 ) ÷ 813] x 100 = -94.46%
Formula
Percentage change = [(45 - 813) / 813] x 100
Subtract the new number by the original number
45 - 813 = -768
-768 ÷ 813 = -0.9446494464944649
-0.9446494464944649 x 100 = -94.46%