-50.35% is the change from 564 to 280
Calculation steps:
[( 280 - 564 ) ÷ 564] x 100 = -50.35%
Formula
Percentage change = [(280 - 564) / 564] x 100
Subtract the new number by the original number
280 - 564 = -284
-284 ÷ 564 = -0.5035460992907801
-0.5035460992907801 x 100 = -50.35%