-49.16% is the change from 832 to 423
Calculation steps:
[( 423 - 832 ) ÷ 832] x 100 = -49.16%
Formula
Percentage change = [(423 - 832) / 832] x 100
Subtract the new number by the original number
423 - 832 = -409
-409 ÷ 832 = -0.49158653846153844
-0.49158653846153844 x 100 = -49.16%