-17.07% is the change from 334 to 277
Calculation steps:
[( 277 - 334 ) ÷ 334] x 100 = -17.07%
Formula
Percentage change = [(277 - 334) / 334] x 100
Subtract the new number by the original number
277 - 334 = -57
-57 ÷ 334 = -0.17065868263473055
-0.17065868263473055 x 100 = -17.07%