-21.35% is the change from 267 to 210
Calculation steps:
[( 210 - 267 ) ÷ 267] x 100 = -21.35%
Formula
Percentage change = [(210 - 267) / 267] x 100
Subtract the new number by the original number
210 - 267 = -57
-57 ÷ 267 = -0.21348314606741572
-0.21348314606741572 x 100 = -21.35%