158.02% is the change from 81 to 209
Calculation steps:
[( 209 - 81 ) ÷ 81] x 100 = 158.02%
Formula
Percentage change = [(209 - 81) / 81] x 100
Subtract the new number by the original number
209 - 81 = 128
128 ÷ 81 = 1.5802469135802468
1.5802469135802468 x 100 = 158.02%