-40.49% is the change from 647 to 385
Calculation steps:
[( 385 - 647 ) ÷ 647] x 100 = -40.49%
Formula
Percentage change = [(385 - 647) / 647] x 100
Subtract the new number by the original number
385 - 647 = -262
-262 ÷ 647 = -0.40494590417310666
-0.40494590417310666 x 100 = -40.49%