-87.8% is the change from 697 to 85
Calculation steps:
[( 85 - 697 ) ÷ 697] x 100 = -87.8%
Formula
Percentage change = [(85 - 697) / 697] x 100
Subtract the new number by the original number
85 - 697 = -612
-612 ÷ 697 = -0.8780487804878049
-0.8780487804878049 x 100 = -87.8%