-18.51% is the change from 832 to 678
Calculation steps:
[( 678 - 832 ) ÷ 832] x 100 = -18.51%
Formula
Percentage change = [(678 - 832) / 832] x 100
Subtract the new number by the original number
678 - 832 = -154
-154 ÷ 832 = -0.18509615384615385
-0.18509615384615385 x 100 = -18.51%