-99.29% is the change from 980 to 7
Calculation steps:
[( 7 - 980 ) ÷ 980] x 100 = -99.29%
Formula
Percentage change = [(7 - 980) / 980] x 100
Subtract the new number by the original number
7 - 980 = -973
-973 ÷ 980 = -0.9928571428571429
-0.9928571428571429 x 100 = -99.29%