-66.56% is the change from 909 to 304
Calculation steps:
[( 304 - 909 ) ÷ 909] x 100 = -66.56%
Formula
Percentage change = [(304 - 909) / 909] x 100
Subtract the new number by the original number
304 - 909 = -605
-605 ÷ 909 = -0.6655665566556656
-0.6655665566556656 x 100 = -66.56%