-44.29% is the change from 700 to 390
Calculation steps:
[( 390 - 700 ) ÷ 700] x 100 = -44.29%
Formula
Percentage change = [(390 - 700) / 700] x 100
Subtract the new number by the original number
390 - 700 = -310
-310 ÷ 700 = -0.44285714285714284
-0.44285714285714284 x 100 = -44.29%