-24.2% is the change from 905 to 686
Calculation steps:
[( 686 - 905 ) ÷ 905] x 100 = -24.2%
Formula
Percentage change = [(686 - 905) / 905] x 100
Subtract the new number by the original number
686 - 905 = -219
-219 ÷ 905 = -0.2419889502762431
-0.2419889502762431 x 100 = -24.2%