-99.1% is the change from 782 to 7
Calculation steps:
[( 7 - 782 ) ÷ 782] x 100 = -99.1%
Formula
Percentage change = [(7 - 782) / 782] x 100
Subtract the new number by the original number
7 - 782 = -775
-775 ÷ 782 = -0.9910485933503836
-0.9910485933503836 x 100 = -99.1%