-6.59% is the change from 334 to 312
Calculation steps:
[( 312 - 334 ) ÷ 334] x 100 = -6.59%
Formula
Percentage change = [(312 - 334) / 334] x 100
Subtract the new number by the original number
312 - 334 = -22
-22 ÷ 334 = -0.0658682634730539
-0.0658682634730539 x 100 = -6.59%