-78.66% is the change from 506 to 108
Calculation steps:
[( 108 - 506 ) ÷ 506] x 100 = -78.66%
Formula
Percentage change = [(108 - 506) / 506] x 100
Subtract the new number by the original number
108 - 506 = -398
-398 ÷ 506 = -0.7865612648221344
-0.7865612648221344 x 100 = -78.66%