-98.75% is the change from 803 to 10
Calculation steps:
[( 10 - 803 ) ÷ 803] x 100 = -98.75%
Formula
Percentage change = [(10 - 803) / 803] x 100
Subtract the new number by the original number
10 - 803 = -793
-793 ÷ 803 = -0.987546699875467
-0.987546699875467 x 100 = -98.75%