-76.79% is the change from 909 to 211
Calculation steps:
[( 211 - 909 ) ÷ 909] x 100 = -76.79%
Formula
Percentage change = [(211 - 909) / 909] x 100
Subtract the new number by the original number
211 - 909 = -698
-698 ÷ 909 = -0.7678767876787679
-0.7678767876787679 x 100 = -76.79%