-77.89% is the change from 909 to 201
Calculation steps:
[( 201 - 909 ) ÷ 909] x 100 = -77.89%
Formula
Percentage change = [(201 - 909) / 909] x 100
Subtract the new number by the original number
201 - 909 = -708
-708 ÷ 909 = -0.7788778877887789
-0.7788778877887789 x 100 = -77.89%