-98.37% is the change from 307 to 5
Calculation steps:
[( 5 - 307 ) ÷ 307] x 100 = -98.37%
Formula
Percentage change = [(5 - 307) / 307] x 100
Subtract the new number by the original number
5 - 307 = -302
-302 ÷ 307 = -0.9837133550488599
-0.9837133550488599 x 100 = -98.37%