-12.11% is the change from 644 to 566
Calculation steps:
[( 566 - 644 ) ÷ 644] x 100 = -12.11%
Formula
Percentage change = [(566 - 644) / 644] x 100
Subtract the new number by the original number
566 - 644 = -78
-78 ÷ 644 = -0.12111801242236025
-0.12111801242236025 x 100 = -12.11%