-90.65% is the change from 278 to 26
Calculation steps:
[( 26 - 278 ) ÷ 278] x 100 = -90.65%
Formula
Percentage change = [(26 - 278) / 278] x 100
Subtract the new number by the original number
26 - 278 = -252
-252 ÷ 278 = -0.9064748201438849
-0.9064748201438849 x 100 = -90.65%