303.96% is the change from 101 to 408
Calculation steps:
[( 408 - 101 ) ÷ 101] x 100 = 303.96%
Formula
Percentage change = [(408 - 101) / 101] x 100
Subtract the new number by the original number
408 - 101 = 307
307 ÷ 101 = 3.0396039603960396
3.0396039603960396 x 100 = 303.96%