-74.7% is the change from 838 to 212
Calculation steps:
[( 212 - 838 ) ÷ 838] x 100 = -74.7%
Formula
Percentage change = [(212 - 838) / 838] x 100
Subtract the new number by the original number
212 - 838 = -626
-626 ÷ 838 = -0.747016706443914
-0.747016706443914 x 100 = -74.7%