-51.06% is the change from 564 to 276
Calculation steps:
[( 276 - 564 ) ÷ 564] x 100 = -51.06%
Formula
Percentage change = [(276 - 564) / 564] x 100
Subtract the new number by the original number
276 - 564 = -288
-288 ÷ 564 = -0.5106382978723404
-0.5106382978723404 x 100 = -51.06%