-49.06% is the change from 267 to 136
Calculation steps:
[( 136 - 267 ) ÷ 267] x 100 = -49.06%
Formula
Percentage change = [(136 - 267) / 267] x 100
Subtract the new number by the original number
136 - 267 = -131
-131 ÷ 267 = -0.49063670411985016
-0.49063670411985016 x 100 = -49.06%