-69.2% is the change from 237 to 73
Calculation steps:
[( 73 - 237 ) ÷ 237] x 100 = -69.2%
Formula
Percentage change = [(73 - 237) / 237] x 100
Subtract the new number by the original number
73 - 237 = -164
-164 ÷ 237 = -0.6919831223628692
-0.6919831223628692 x 100 = -69.2%