-79% is the change from 700 to 147
Calculation steps:
[( 147 - 700 ) ÷ 700] x 100 = -79%
Formula
Percentage change = [(147 - 700) / 700] x 100
Subtract the new number by the original number
147 - 700 = -553
-553 ÷ 700 = -0.79
-0.79 x 100 = -79%
Example