-78.58% is the change from 803 to 172
Calculation steps:
[( 172 - 803 ) ÷ 803] x 100 = -78.58%
Formula
Percentage change = [(172 - 803) / 803] x 100
Subtract the new number by the original number
172 - 803 = -631
-631 ÷ 803 = -0.7858032378580324
-0.7858032378580324 x 100 = -78.58%