-45.53% is the change from 257 to 140
Calculation steps:
[( 140 - 257 ) ÷ 257] x 100 = -45.53%
Formula
Percentage change = [(140 - 257) / 257] x 100
Subtract the new number by the original number
140 - 257 = -117
-117 ÷ 257 = -0.45525291828793774
-0.45525291828793774 x 100 = -45.53%