-77.66% is the change from 488 to 109
Calculation steps:
[( 109 - 488 ) ÷ 488] x 100 = -77.66%
Formula
Percentage change = [(109 - 488) / 488] x 100
Subtract the new number by the original number
109 - 488 = -379
-379 ÷ 488 = -0.7766393442622951
-0.7766393442622951 x 100 = -77.66%