-19.1% is the change from 267 to 216
Calculation steps:
[( 216 - 267 ) ÷ 267] x 100 = -19.1%
Formula
Percentage change = [(216 - 267) / 267] x 100
Subtract the new number by the original number
216 - 267 = -51
-51 ÷ 267 = -0.19101123595505617
-0.19101123595505617 x 100 = -19.1%