-86.42% is the change from 685 to 93
Calculation steps:
[( 93 - 685 ) ÷ 685] x 100 = -86.42%
Formula
Percentage change = [(93 - 685) / 685] x 100
Subtract the new number by the original number
93 - 685 = -592
-592 ÷ 685 = -0.8642335766423358
-0.8642335766423358 x 100 = -86.42%