-20.3% is the change from 335 to 267
Calculation steps:
[( 267 - 335 ) ÷ 335] x 100 = -20.3%
Formula
Percentage change = [(267 - 335) / 335] x 100
Subtract the new number by the original number
267 - 335 = -68
-68 ÷ 335 = -0.20298507462686566
-0.20298507462686566 x 100 = -20.3%