-77.14% is the change from 700 to 160
Calculation steps:
[( 160 - 700 ) ÷ 700] x 100 = -77.14%
Formula
Percentage change = [(160 - 700) / 700] x 100
Subtract the new number by the original number
160 - 700 = -540
-540 ÷ 700 = -0.7714285714285715
-0.7714285714285715 x 100 = -77.14%