-12.99% is the change from 685 to 596
Calculation steps:
[( 596 - 685 ) ÷ 685] x 100 = -12.99%
Formula
Percentage change = [(596 - 685) / 685] x 100
Subtract the new number by the original number
596 - 685 = -89
-89 ÷ 685 = -0.12992700729927006
-0.12992700729927006 x 100 = -12.99%