-31.74% is the change from 334 to 228
Calculation steps:
[( 228 - 334 ) ÷ 334] x 100 = -31.74%
Formula
Percentage change = [(228 - 334) / 334] x 100
Subtract the new number by the original number
228 - 334 = -106
-106 ÷ 334 = -0.31736526946107785
-0.31736526946107785 x 100 = -31.74%