-92.13% is the change from 686 to 54
Calculation steps:
[( 54 - 686 ) ÷ 686] x 100 = -92.13%
Formula
Percentage change = [(54 - 686) / 686] x 100
Subtract the new number by the original number
54 - 686 = -632
-632 ÷ 686 = -0.9212827988338192
-0.9212827988338192 x 100 = -92.13%