-12.13% is the change from 643 to 565
Calculation steps:
[( 565 - 643 ) ÷ 643] x 100 = -12.13%
Formula
Percentage change = [(565 - 643) / 643] x 100
Subtract the new number by the original number
565 - 643 = -78
-78 ÷ 643 = -0.12130637636080871
-0.12130637636080871 x 100 = -12.13%