-74.82% is the change from 838 to 211
Calculation steps:
[( 211 - 838 ) ÷ 838] x 100 = -74.82%
Formula
Percentage change = [(211 - 838) / 838] x 100
Subtract the new number by the original number
211 - 838 = -627
-627 ÷ 838 = -0.7482100238663485
-0.7482100238663485 x 100 = -74.82%