-11.89% is the change from 639 to 563
Calculation steps:
[( 563 - 639 ) ÷ 639] x 100 = -11.89%
Formula
Percentage change = [(563 - 639) / 639] x 100
Subtract the new number by the original number
563 - 639 = -76
-76 ÷ 639 = -0.1189358372456964
-0.1189358372456964 x 100 = -11.89%