-33.08% is the change from 647 to 433
Calculation steps:
[( 433 - 647 ) ÷ 647] x 100 = -33.08%
Formula
Percentage change = [(433 - 647) / 647] x 100
Subtract the new number by the original number
433 - 647 = -214
-214 ÷ 647 = -0.33075734157650694
-0.33075734157650694 x 100 = -33.08%