-92.18% is the change from 818 to 64
Calculation steps:
[( 64 - 818 ) ÷ 818] x 100 = -92.18%
Formula
Percentage change = [(64 - 818) / 818] x 100
Subtract the new number by the original number
64 - 818 = -754
-754 ÷ 818 = -0.921760391198044
-0.921760391198044 x 100 = -92.18%