-22.16% is the change from 343 to 267
Calculation steps:
[( 267 - 343 ) ÷ 343] x 100 = -22.16%
Formula
Percentage change = [(267 - 343) / 343] x 100
Subtract the new number by the original number
267 - 343 = -76
-76 ÷ 343 = -0.22157434402332363
-0.22157434402332363 x 100 = -22.16%