-69.96% is the change from 243 to 73
Calculation steps:
[( 73 - 243 ) ÷ 243] x 100 = -69.96%
Formula
Percentage change = [(73 - 243) / 243] x 100
Subtract the new number by the original number
73 - 243 = -170
-170 ÷ 243 = -0.6995884773662552
-0.6995884773662552 x 100 = -69.96%