-97.24% is the change from 254 to 7
Calculation steps:
[( 7 - 254 ) ÷ 254] x 100 = -97.24%
Formula
Percentage change = [(7 - 254) / 254] x 100
Subtract the new number by the original number
7 - 254 = -247
-247 ÷ 254 = -0.9724409448818898
-0.9724409448818898 x 100 = -97.24%