-45.28% is the change from 318 to 174
Calculation steps:
[( 174 - 318 ) ÷ 318] x 100 = -45.28%
Formula
Percentage change = [(174 - 318) / 318] x 100
Subtract the new number by the original number
174 - 318 = -144
-144 ÷ 318 = -0.4528301886792453
-0.4528301886792453 x 100 = -45.28%