-79.11% is the change from 493 to 103
Calculation steps:
[( 103 - 493 ) ÷ 493] x 100 = -79.11%
Formula
Percentage change = [(103 - 493) / 493] x 100
Subtract the new number by the original number
103 - 493 = -390
-390 ÷ 493 = -0.7910750507099391
-0.7910750507099391 x 100 = -79.11%