-85.98% is the change from 706 to 99
Calculation steps:
[( 99 - 706 ) ÷ 706] x 100 = -85.98%
Formula
Percentage change = [(99 - 706) / 706] x 100
Subtract the new number by the original number
99 - 706 = -607
-607 ÷ 706 = -0.8597733711048159
-0.8597733711048159 x 100 = -85.98%