-72.72% is the change from 909 to 248
Calculation steps:
[( 248 - 909 ) ÷ 909] x 100 = -72.72%
Formula
Percentage change = [(248 - 909) / 909] x 100
Subtract the new number by the original number
248 - 909 = -661
-661 ÷ 909 = -0.7271727172717272
-0.7271727172717272 x 100 = -72.72%