-69.83% is the change from 242 to 73
Calculation steps:
[( 73 - 242 ) ÷ 242] x 100 = -69.83%
Formula
Percentage change = [(73 - 242) / 242] x 100
Subtract the new number by the original number
73 - 242 = -169
-169 ÷ 242 = -0.6983471074380165
-0.6983471074380165 x 100 = -69.83%