-30.57% is the change from 700 to 486
Calculation steps:
[( 486 - 700 ) ÷ 700] x 100 = -30.57%
Formula
Percentage change = [(486 - 700) / 700] x 100
Subtract the new number by the original number
486 - 700 = -214
-214 ÷ 700 = -0.3057142857142857
-0.3057142857142857 x 100 = -30.57%