-34.17% is the change from 834 to 549
Calculation steps:
[( 549 - 834 ) ÷ 834] x 100 = -34.17%
Formula
Percentage change = [(549 - 834) / 834] x 100
Subtract the new number by the original number
549 - 834 = -285
-285 ÷ 834 = -0.34172661870503596
-0.34172661870503596 x 100 = -34.17%