-69.86% is the change from 909 to 274
Calculation steps:
[( 274 - 909 ) ÷ 909] x 100 = -69.86%
Formula
Percentage change = [(274 - 909) / 909] x 100
Subtract the new number by the original number
274 - 909 = -635
-635 ÷ 909 = -0.6985698569856986
-0.6985698569856986 x 100 = -69.86%