-87.55% is the change from 803 to 100
Calculation steps:
[( 100 - 803 ) ÷ 803] x 100 = -87.55%
Formula
Percentage change = [(100 - 803) / 803] x 100
Subtract the new number by the original number
100 - 803 = -703
-703 ÷ 803 = -0.8754669987546699
-0.8754669987546699 x 100 = -87.55%