-50% is the change from 564 to 282
Calculation steps:
[( 282 - 564 ) ÷ 564] x 100 = -50%
Formula
Percentage change = [(282 - 564) / 564] x 100
Subtract the new number by the original number
282 - 564 = -282
-282 ÷ 564 = -0.5
-0.5 x 100 = -50%
Example