-77.23% is the change from 909 to 207
Calculation steps:
[( 207 - 909 ) ÷ 909] x 100 = -77.23%
Formula
Percentage change = [(207 - 909) / 909] x 100
Subtract the new number by the original number
207 - 909 = -702
-702 ÷ 909 = -0.7722772277227723
-0.7722772277227723 x 100 = -77.23%