-76.2% is the change from 685 to 163
Calculation steps:
[( 163 - 685 ) ÷ 685] x 100 = -76.2%
Formula
Percentage change = [(163 - 685) / 685] x 100
Subtract the new number by the original number
163 - 685 = -522
-522 ÷ 685 = -0.762043795620438
-0.762043795620438 x 100 = -76.2%