-85.96% is the change from 705 to 99
Calculation steps:
[( 99 - 705 ) ÷ 705] x 100 = -85.96%
Formula
Percentage change = [(99 - 705) / 705] x 100
Subtract the new number by the original number
99 - 705 = -606
-606 ÷ 705 = -0.8595744680851064
-0.8595744680851064 x 100 = -85.96%