-31.84% is the change from 647 to 441
Calculation steps:
[( 441 - 647 ) ÷ 647] x 100 = -31.84%
Formula
Percentage change = [(441 - 647) / 647] x 100
Subtract the new number by the original number
441 - 647 = -206
-206 ÷ 647 = -0.31839258114374036
-0.31839258114374036 x 100 = -31.84%