-21.5% is the change from 293 to 230
Calculation steps:
[( 230 - 293 ) ÷ 293] x 100 = -21.5%
Formula
Percentage change = [(230 - 293) / 293] x 100
Subtract the new number by the original number
230 - 293 = -63
-63 ÷ 293 = -0.2150170648464164
-0.2150170648464164 x 100 = -21.5%