-18.37% is the change from 833 to 680
Calculation steps:
[( 680 - 833 ) ÷ 833] x 100 = -18.37%
Formula
Percentage change = [(680 - 833) / 833] x 100
Subtract the new number by the original number
680 - 833 = -153
-153 ÷ 833 = -0.1836734693877551
-0.1836734693877551 x 100 = -18.37%