-24.51% is the change from 257 to 194
Calculation steps:
[( 194 - 257 ) ÷ 257] x 100 = -24.51%
Formula
Percentage change = [(194 - 257) / 257] x 100
Subtract the new number by the original number
194 - 257 = -63
-63 ÷ 257 = -0.245136186770428
-0.245136186770428 x 100 = -24.51%