-69.64% is the change from 909 to 276
Calculation steps:
[( 276 - 909 ) ÷ 909] x 100 = -69.64%
Formula
Percentage change = [(276 - 909) / 909] x 100
Subtract the new number by the original number
276 - 909 = -633
-633 ÷ 909 = -0.6963696369636964
-0.6963696369636964 x 100 = -69.64%