-21.58% is the change from 834 to 654
Calculation steps:
[( 654 - 834 ) ÷ 834] x 100 = -21.58%
Formula
Percentage change = [(654 - 834) / 834] x 100
Subtract the new number by the original number
654 - 834 = -180
-180 ÷ 834 = -0.2158273381294964
-0.2158273381294964 x 100 = -21.58%