-89.66% is the change from 803 to 83
Calculation steps:
[( 83 - 803 ) ÷ 803] x 100 = -89.66%
Formula
Percentage change = [(83 - 803) / 803] x 100
Subtract the new number by the original number
83 - 803 = -720
-720 ÷ 803 = -0.8966376089663761
-0.8966376089663761 x 100 = -89.66%