-18.73% is the change from 267 to 217
Calculation steps:
[( 217 - 267 ) ÷ 267] x 100 = -18.73%
Formula
Percentage change = [(217 - 267) / 267] x 100
Subtract the new number by the original number
217 - 267 = -50
-50 ÷ 267 = -0.18726591760299627
-0.18726591760299627 x 100 = -18.73%