-34.07% is the change from 405 to 267
Calculation steps:
[( 267 - 405 ) ÷ 405] x 100 = -34.07%
Formula
Percentage change = [(267 - 405) / 405] x 100
Subtract the new number by the original number
267 - 405 = -138
-138 ÷ 405 = -0.34074074074074073
-0.34074074074074073 x 100 = -34.07%