-13.78% is the change from 566 to 488
Calculation steps:
[( 488 - 566 ) ÷ 566] x 100 = -13.78%
Formula
Percentage change = [(488 - 566) / 566] x 100
Subtract the new number by the original number
488 - 566 = -78
-78 ÷ 566 = -0.13780918727915195
-0.13780918727915195 x 100 = -13.78%