-71.07% is the change from 909 to 263
Calculation steps:
[( 263 - 909 ) ÷ 909] x 100 = -71.07%
Formula
Percentage change = [(263 - 909) / 909] x 100
Subtract the new number by the original number
263 - 909 = -646
-646 ÷ 909 = -0.7106710671067107
-0.7106710671067107 x 100 = -71.07%