-67.08% is the change from 243 to 80
Calculation steps:
[( 80 - 243 ) ÷ 243] x 100 = -67.08%
Formula
Percentage change = [(80 - 243) / 243] x 100
Subtract the new number by the original number
80 - 243 = -163
-163 ÷ 243 = -0.6707818930041153
-0.6707818930041153 x 100 = -67.08%