-87.85% is the change from 708 to 86
Calculation steps:
[( 86 - 708 ) ÷ 708] x 100 = -87.85%
Formula
Percentage change = [(86 - 708) / 708] x 100
Subtract the new number by the original number
86 - 708 = -622
-622 ÷ 708 = -0.8785310734463276
-0.8785310734463276 x 100 = -87.85%