-83.06% is the change from 909 to 154
Calculation steps:
[( 154 - 909 ) ÷ 909] x 100 = -83.06%
Formula
Percentage change = [(154 - 909) / 909] x 100
Subtract the new number by the original number
154 - 909 = -755
-755 ÷ 909 = -0.8305830583058306
-0.8305830583058306 x 100 = -83.06%