-27.42% is the change from 299 to 217
Calculation steps:
[( 217 - 299 ) ÷ 299] x 100 = -27.42%
Formula
Percentage change = [(217 - 299) / 299] x 100
Subtract the new number by the original number
217 - 299 = -82
-82 ÷ 299 = -0.27424749163879597
-0.27424749163879597 x 100 = -27.42%