-32.3% is the change from 257 to 174
Calculation steps:
[( 174 - 257 ) ÷ 257] x 100 = -32.3%
Formula
Percentage change = [(174 - 257) / 257] x 100
Subtract the new number by the original number
174 - 257 = -83
-83 ÷ 257 = -0.3229571984435798
-0.3229571984435798 x 100 = -32.3%