-97.46% is the change from 276 to 7
Calculation steps:
[( 7 - 276 ) ÷ 276] x 100 = -97.46%
Formula
Percentage change = [(7 - 276) / 276] x 100
Subtract the new number by the original number
7 - 276 = -269
-269 ÷ 276 = -0.9746376811594203
-0.9746376811594203 x 100 = -97.46%