-11.58% is the change from 639 to 565
Calculation steps:
[( 565 - 639 ) ÷ 639] x 100 = -11.58%
Formula
Percentage change = [(565 - 639) / 639] x 100
Subtract the new number by the original number
565 - 639 = -74
-74 ÷ 639 = -0.11580594679186229
-0.11580594679186229 x 100 = -11.58%