-26.6% is the change from 297 to 218
Calculation steps:
[( 218 - 297 ) ÷ 297] x 100 = -26.6%
Formula
Percentage change = [(218 - 297) / 297] x 100
Subtract the new number by the original number
218 - 297 = -79
-79 ÷ 297 = -0.265993265993266
-0.265993265993266 x 100 = -26.6%