-22.22% is the change from 297 to 231
Calculation steps:
[( 231 - 297 ) ÷ 297] x 100 = -22.22%
Formula
Percentage change = [(231 - 297) / 297] x 100
Subtract the new number by the original number
231 - 297 = -66
-66 ÷ 297 = -0.2222222222222222
-0.2222222222222222 x 100 = -22.22%