105.37% is the change from 205 to 421
Calculation steps:
[( 421 - 205 ) ÷ 205] x 100 = 105.37%
Formula
Percentage change = [(421 - 205) / 205] x 100
Subtract the new number by the original number
421 - 205 = 216
216 ÷ 205 = 1.053658536585366
1.053658536585366 x 100 = 105.37%