-38.42% is the change from 838 to 516
Calculation steps:
[( 516 - 838 ) ÷ 838] x 100 = -38.42%
Formula
Percentage change = [(516 - 838) / 838] x 100
Subtract the new number by the original number
516 - 838 = -322
-322 ÷ 838 = -0.38424821002386633
-0.38424821002386633 x 100 = -38.42%