-7.55% is the change from 834 to 771
Calculation steps:
[( 771 - 834 ) ÷ 834] x 100 = -7.55%
Formula
Percentage change = [(771 - 834) / 834] x 100
Subtract the new number by the original number
771 - 834 = -63
-63 ÷ 834 = -0.07553956834532374
-0.07553956834532374 x 100 = -7.55%