134.93% is the change from 209 to 491
Calculation steps:
[( 491 - 209 ) ÷ 209] x 100 = 134.93%
Formula
Percentage change = [(491 - 209) / 209] x 100
Subtract the new number by the original number
491 - 209 = 282
282 ÷ 209 = 1.3492822966507176
1.3492822966507176 x 100 = 134.93%