-68.83% is the change from 709 to 221
Calculation steps:
[( 221 - 709 ) ÷ 709] x 100 = -68.83%
Formula
Percentage change = [(221 - 709) / 709] x 100
Subtract the new number by the original number
221 - 709 = -488
-488 ÷ 709 = -0.688293370944993
-0.688293370944993 x 100 = -68.83%