-19.16% is the change from 334 to 270
Calculation steps:
[( 270 - 334 ) ÷ 334] x 100 = -19.16%
Formula
Percentage change = [(270 - 334) / 334] x 100
Subtract the new number by the original number
270 - 334 = -64
-64 ÷ 334 = -0.19161676646706588
-0.19161676646706588 x 100 = -19.16%