148.06% is the change from 206 to 511
Calculation steps:
[( 511 - 206 ) ÷ 206] x 100 = 148.06%
Formula
Percentage change = [(511 - 206) / 206] x 100
Subtract the new number by the original number
511 - 206 = 305
305 ÷ 206 = 1.4805825242718447
1.4805825242718447 x 100 = 148.06%