-12.71% is the change from 645 to 563
Calculation steps:
[( 563 - 645 ) ÷ 645] x 100 = -12.71%
Formula
Percentage change = [(563 - 645) / 645] x 100
Subtract the new number by the original number
563 - 645 = -82
-82 ÷ 645 = -0.12713178294573643
-0.12713178294573643 x 100 = -12.71%