-23.62% is the change from 872 to 666
Calculation steps:
[( 666 - 872 ) ÷ 872] x 100 = -23.62%
Formula
Percentage change = [(666 - 872) / 872] x 100
Subtract the new number by the original number
666 - 872 = -206
-206 ÷ 872 = -0.23623853211009174
-0.23623853211009174 x 100 = -23.62%