-12.85% is the change from 646 to 563
Calculation steps:
[( 563 - 646 ) ÷ 646] x 100 = -12.85%
Formula
Percentage change = [(563 - 646) / 646] x 100
Subtract the new number by the original number
563 - 646 = -83
-83 ÷ 646 = -0.12848297213622292
-0.12848297213622292 x 100 = -12.85%