186.3% is the change from 73 to 209
Calculation steps:
[( 209 - 73 ) ÷ 73] x 100 = 186.3%
Formula
Percentage change = [(209 - 73) / 73] x 100
Subtract the new number by the original number
209 - 73 = 136
136 ÷ 73 = 1.8630136986301369
1.8630136986301369 x 100 = 186.3%