-67.14% is the change from 700 to 230
Calculation steps:
[( 230 - 700 ) ÷ 700] x 100 = -67.14%
Formula
Percentage change = [(230 - 700) / 700] x 100
Subtract the new number by the original number
230 - 700 = -470
-470 ÷ 700 = -0.6714285714285714
-0.6714285714285714 x 100 = -67.14%