-69.07% is the change from 236 to 73
Calculation steps:
[( 73 - 236 ) ÷ 236] x 100 = -69.07%
Formula
Percentage change = [(73 - 236) / 236] x 100
Subtract the new number by the original number
73 - 236 = -163
-163 ÷ 236 = -0.690677966101695
-0.690677966101695 x 100 = -69.07%