-12.45% is the change from 257 to 225
Calculation steps:
[( 225 - 257 ) ÷ 257] x 100 = -12.45%
Formula
Percentage change = [(225 - 257) / 257] x 100
Subtract the new number by the original number
225 - 257 = -32
-32 ÷ 257 = -0.1245136186770428
-0.1245136186770428 x 100 = -12.45%