-78.96% is the change from 499 to 105
Calculation steps:
[( 105 - 499 ) ÷ 499] x 100 = -78.96%
Formula
Percentage change = [(105 - 499) / 499] x 100
Subtract the new number by the original number
105 - 499 = -394
-394 ÷ 499 = -0.7895791583166333
-0.7895791583166333 x 100 = -78.96%