137.86% is the change from 206 to 490
Calculation steps:
[( 490 - 206 ) ÷ 206] x 100 = 137.86%
Formula
Percentage change = [(490 - 206) / 206] x 100
Subtract the new number by the original number
490 - 206 = 284
284 ÷ 206 = 1.3786407766990292
1.3786407766990292 x 100 = 137.86%