-77.57% is the change from 486 to 109
Calculation steps:
[( 109 - 486 ) ÷ 486] x 100 = -77.57%
Formula
Percentage change = [(109 - 486) / 486] x 100
Subtract the new number by the original number
109 - 486 = -377
-377 ÷ 486 = -0.7757201646090535
-0.7757201646090535 x 100 = -77.57%