-8.9% is the change from 191 to 174
Calculation steps:
[( 174 - 191 ) ÷ 191] x 100 = -8.9%
Formula
Percentage change = [(174 - 191) / 191] x 100
Subtract the new number by the original number
174 - 191 = -17
-17 ÷ 191 = -0.08900523560209424
-0.08900523560209424 x 100 = -8.9%