-20.07% is the change from 832 to 665
Calculation steps:
[( 665 - 832 ) ÷ 832] x 100 = -20.07%
Formula
Percentage change = [(665 - 832) / 832] x 100
Subtract the new number by the original number
665 - 832 = -167
-167 ÷ 832 = -0.20072115384615385
-0.20072115384615385 x 100 = -20.07%