-19.76% is the change from 334 to 268
Calculation steps:
[( 268 - 334 ) ÷ 334] x 100 = -19.76%
Formula
Percentage change = [(268 - 334) / 334] x 100
Subtract the new number by the original number
268 - 334 = -66
-66 ÷ 334 = -0.19760479041916168
-0.19760479041916168 x 100 = -19.76%