-27.6% is the change from 779 to 564
Calculation steps:
[( 564 - 779 ) ÷ 779] x 100 = -27.6%
Formula
Percentage change = [(564 - 779) / 779] x 100
Subtract the new number by the original number
564 - 779 = -215
-215 ÷ 779 = -0.27599486521181
-0.27599486521181 x 100 = -27.6%