-77.57% is the change from 709 to 159
Calculation steps:
[( 159 - 709 ) ÷ 709] x 100 = -77.57%
Formula
Percentage change = [(159 - 709) / 709] x 100
Subtract the new number by the original number
159 - 709 = -550
-550 ÷ 709 = -0.7757404795486601
-0.7757404795486601 x 100 = -77.57%