-90.97% is the change from 277 to 25
Calculation steps:
[( 25 - 277 ) ÷ 277] x 100 = -90.97%
Formula
Percentage change = [(25 - 277) / 277] x 100
Subtract the new number by the original number
25 - 277 = -252
-252 ÷ 277 = -0.9097472924187726
-0.9097472924187726 x 100 = -90.97%