-63.42% is the change from 257 to 94
Calculation steps:
[( 94 - 257 ) ÷ 257] x 100 = -63.42%
Formula
Percentage change = [(94 - 257) / 257] x 100
Subtract the new number by the original number
94 - 257 = -163
-163 ÷ 257 = -0.6342412451361867
-0.6342412451361867 x 100 = -63.42%