-60.4% is the change from 909 to 360
Calculation steps:
[( 360 - 909 ) ÷ 909] x 100 = -60.4%
Formula
Percentage change = [(360 - 909) / 909] x 100
Subtract the new number by the original number
360 - 909 = -549
-549 ÷ 909 = -0.6039603960396039
-0.6039603960396039 x 100 = -60.4%