-12.85% is the change from 685 to 597
Calculation steps:
[( 597 - 685 ) ÷ 685] x 100 = -12.85%
Formula
Percentage change = [(597 - 685) / 685] x 100
Subtract the new number by the original number
597 - 685 = -88
-88 ÷ 685 = -0.12846715328467154
-0.12846715328467154 x 100 = -12.85%