-89.79% is the change from 803 to 82
Calculation steps:
[( 82 - 803 ) ÷ 803] x 100 = -89.79%
Formula
Percentage change = [(82 - 803) / 803] x 100
Subtract the new number by the original number
82 - 803 = -721
-721 ÷ 803 = -0.8978829389788294
-0.8978829389788294 x 100 = -89.79%