-98.8% is the change from 334 to 4
Calculation steps:
[( 4 - 334 ) ÷ 334] x 100 = -98.8%
Formula
Percentage change = [(4 - 334) / 334] x 100
Subtract the new number by the original number
4 - 334 = -330
-330 ÷ 334 = -0.9880239520958084
-0.9880239520958084 x 100 = -98.8%