-12.65% is the change from 648 to 566
Calculation steps:
[( 566 - 648 ) ÷ 648] x 100 = -12.65%
Formula
Percentage change = [(566 - 648) / 648] x 100
Subtract the new number by the original number
566 - 648 = -82
-82 ÷ 648 = -0.12654320987654322
-0.12654320987654322 x 100 = -12.65%