-15.42% is the change from 668 to 565
Calculation steps:
[( 565 - 668 ) ÷ 668] x 100 = -15.42%
Formula
Percentage change = [(565 - 668) / 668] x 100
Subtract the new number by the original number
565 - 668 = -103
-103 ÷ 668 = -0.15419161676646706
-0.15419161676646706 x 100 = -15.42%