-98.93% is the change from 654 to 7
Calculation steps:
[( 7 - 654 ) ÷ 654] x 100 = -98.93%
Formula
Percentage change = [(7 - 654) / 654] x 100
Subtract the new number by the original number
7 - 654 = -647
-647 ÷ 654 = -0.9892966360856269
-0.9892966360856269 x 100 = -98.93%