-1.44% is the change from 834 to 822
Calculation steps:
[( 822 - 834 ) ÷ 834] x 100 = -1.44%
Formula
Percentage change = [(822 - 834) / 834] x 100
Subtract the new number by the original number
822 - 834 = -12
-12 ÷ 834 = -0.014388489208633094
-0.014388489208633094 x 100 = -1.44%