-74.92% is the change from 909 to 228
Calculation steps:
[( 228 - 909 ) ÷ 909] x 100 = -74.92%
Formula
Percentage change = [(228 - 909) / 909] x 100
Subtract the new number by the original number
228 - 909 = -681
-681 ÷ 909 = -0.7491749174917491
-0.7491749174917491 x 100 = -74.92%