-75.66% is the change from 838 to 204
Calculation steps:
[( 204 - 838 ) ÷ 838] x 100 = -75.66%
Formula
Percentage change = [(204 - 838) / 838] x 100
Subtract the new number by the original number
204 - 838 = -634
-634 ÷ 838 = -0.7565632458233891
-0.7565632458233891 x 100 = -75.66%