-17.92% is the change from 106 to 87
Calculation steps:
[( 87 - 106 ) ÷ 106] x 100 = -17.92%
Formula
Percentage change = [(87 - 106) / 106] x 100
Subtract the new number by the original number
87 - 106 = -19
-19 ÷ 106 = -0.1792452830188679
-0.1792452830188679 x 100 = -17.92%