-83.72% is the change from 909 to 148
Calculation steps:
[( 148 - 909 ) ÷ 909] x 100 = -83.72%
Formula
Percentage change = [(148 - 909) / 909] x 100
Subtract the new number by the original number
148 - 909 = -761
-761 ÷ 909 = -0.8371837183718371
-0.8371837183718371 x 100 = -83.72%