-27.14% is the change from 770 to 561
Calculation steps:
[( 561 - 770 ) ÷ 770] x 100 = -27.14%
Formula
Percentage change = [(561 - 770) / 770] x 100
Subtract the new number by the original number
561 - 770 = -209
-209 ÷ 770 = -0.2714285714285714
-0.2714285714285714 x 100 = -27.14%