-80.91% is the change from 503 to 96
Calculation steps:
[( 96 - 503 ) ÷ 503] x 100 = -80.91%
Formula
Percentage change = [(96 - 503) / 503] x 100
Subtract the new number by the original number
96 - 503 = -407
-407 ÷ 503 = -0.8091451292246521
-0.8091451292246521 x 100 = -80.91%