-27.21% is the change from 838 to 610
Calculation steps:
[( 610 - 838 ) ÷ 838] x 100 = -27.21%
Formula
Percentage change = [(610 - 838) / 838] x 100
Subtract the new number by the original number
610 - 838 = -228
-228 ÷ 838 = -0.2720763723150358
-0.2720763723150358 x 100 = -27.21%