-30.68% is the change from 251 to 174
Calculation steps:
[( 174 - 251 ) ÷ 251] x 100 = -30.68%
Formula
Percentage change = [(174 - 251) / 251] x 100
Subtract the new number by the original number
174 - 251 = -77
-77 ÷ 251 = -0.30677290836653387
-0.30677290836653387 x 100 = -30.68%