-76.68% is the change from 909 to 212
Calculation steps:
[( 212 - 909 ) ÷ 909] x 100 = -76.68%
Formula
Percentage change = [(212 - 909) / 909] x 100
Subtract the new number by the original number
212 - 909 = -697
-697 ÷ 909 = -0.7667766776677668
-0.7667766776677668 x 100 = -76.68%