-99.23% is the change from 910 to 7
Calculation steps:
[( 7 - 910 ) ÷ 910] x 100 = -99.23%
Formula
Percentage change = [(7 - 910) / 910] x 100
Subtract the new number by the original number
7 - 910 = -903
-903 ÷ 910 = -0.9923076923076923
-0.9923076923076923 x 100 = -99.23%