-7.41% is the change from 108 to 100
Calculation steps:
[( 100 - 108 ) ÷ 108] x 100 = -7.41%
Formula
Percentage change = [(100 - 108) / 108] x 100
Subtract the new number by the original number
100 - 108 = -8
-8 ÷ 108 = -0.07407407407407407
-0.07407407407407407 x 100 = -7.41%