-89.88% is the change from 257 to 26
Calculation steps:
[( 26 - 257 ) ÷ 257] x 100 = -89.88%
Formula
Percentage change = [(26 - 257) / 257] x 100
Subtract the new number by the original number
26 - 257 = -231
-231 ÷ 257 = -0.8988326848249028
-0.8988326848249028 x 100 = -89.88%