-22.61% is the change from 345 to 267
Calculation steps:
[( 267 - 345 ) ÷ 345] x 100 = -22.61%
Formula
Percentage change = [(267 - 345) / 345] x 100
Subtract the new number by the original number
267 - 345 = -78
-78 ÷ 345 = -0.22608695652173913
-0.22608695652173913 x 100 = -22.61%