-66.78% is the change from 909 to 302
Calculation steps:
[( 302 - 909 ) ÷ 909] x 100 = -66.78%
Formula
Percentage change = [(302 - 909) / 909] x 100
Subtract the new number by the original number
302 - 909 = -607
-607 ÷ 909 = -0.6677667766776678
-0.6677667766776678 x 100 = -66.78%