-89.88% is the change from 909 to 92
Calculation steps:
[( 92 - 909 ) ÷ 909] x 100 = -89.88%
Formula
Percentage change = [(92 - 909) / 909] x 100
Subtract the new number by the original number
92 - 909 = -817
-817 ÷ 909 = -0.8987898789878987
-0.8987898789878987 x 100 = -89.88%