-18.62% is the change from 709 to 577
Calculation steps:
[( 577 - 709 ) ÷ 709] x 100 = -18.62%
Formula
Percentage change = [(577 - 709) / 709] x 100
Subtract the new number by the original number
577 - 709 = -132
-132 ÷ 709 = -0.1861777150916784
-0.1861777150916784 x 100 = -18.62%