-22.57% is the change from 257 to 199
Calculation steps:
[( 199 - 257 ) ÷ 257] x 100 = -22.57%
Formula
Percentage change = [(199 - 257) / 257] x 100
Subtract the new number by the original number
199 - 257 = -58
-58 ÷ 257 = -0.22568093385214008
-0.22568093385214008 x 100 = -22.57%