-81.46% is the change from 685 to 127
Calculation steps:
[( 127 - 685 ) ÷ 685] x 100 = -81.46%
Formula
Percentage change = [(127 - 685) / 685] x 100
Subtract the new number by the original number
127 - 685 = -558
-558 ÷ 685 = -0.8145985401459854
-0.8145985401459854 x 100 = -81.46%