-85.15% is the change from 909 to 135
Calculation steps:
[( 135 - 909 ) ÷ 909] x 100 = -85.15%
Formula
Percentage change = [(135 - 909) / 909] x 100
Subtract the new number by the original number
135 - 909 = -774
-774 ÷ 909 = -0.8514851485148515
-0.8514851485148515 x 100 = -85.15%