-59.04% is the change from 835 to 342
Calculation steps:
[( 342 - 835 ) ÷ 835] x 100 = -59.04%
Formula
Percentage change = [(342 - 835) / 835] x 100
Subtract the new number by the original number
342 - 835 = -493
-493 ÷ 835 = -0.5904191616766467
-0.5904191616766467 x 100 = -59.04%