-82.94% is the change from 838 to 143
Calculation steps:
[( 143 - 838 ) ÷ 838] x 100 = -82.94%
Formula
Percentage change = [(143 - 838) / 838] x 100
Subtract the new number by the original number
143 - 838 = -695
-695 ÷ 838 = -0.8293556085918854
-0.8293556085918854 x 100 = -82.94%