-85% is the change from 700 to 105
Calculation steps:
[( 105 - 700 ) ÷ 700] x 100 = -85%
Formula
Percentage change = [(105 - 700) / 700] x 100
Subtract the new number by the original number
105 - 700 = -595
-595 ÷ 700 = -0.85
-0.85 x 100 = -85%
Example