-22.84% is the change from 832 to 642
Calculation steps:
[( 642 - 832 ) ÷ 832] x 100 = -22.84%
Formula
Percentage change = [(642 - 832) / 832] x 100
Subtract the new number by the original number
642 - 832 = -190
-190 ÷ 832 = -0.2283653846153846
-0.2283653846153846 x 100 = -22.84%