-91.62% is the change from 334 to 28
Calculation steps:
[( 28 - 334 ) ÷ 334] x 100 = -91.62%
Formula
Percentage change = [(28 - 334) / 334] x 100
Subtract the new number by the original number
28 - 334 = -306
-306 ÷ 334 = -0.9161676646706587
-0.9161676646706587 x 100 = -91.62%