-97.07% is the change from 239 to 7
Calculation steps:
[( 7 - 239 ) ÷ 239] x 100 = -97.07%
Formula
Percentage change = [(7 - 239) / 239] x 100
Subtract the new number by the original number
7 - 239 = -232
-232 ÷ 239 = -0.9707112970711297
-0.9707112970711297 x 100 = -97.07%