121.84% is the change from 206 to 457
Calculation steps:
[( 457 - 206 ) ÷ 206] x 100 = 121.84%
Formula
Percentage change = [(457 - 206) / 206] x 100
Subtract the new number by the original number
457 - 206 = 251
251 ÷ 206 = 1.2184466019417475
1.2184466019417475 x 100 = 121.84%