342.57% is the change from 101 to 447
Calculation steps:
[( 447 - 101 ) ÷ 101] x 100 = 342.57%
Formula
Percentage change = [(447 - 101) / 101] x 100
Subtract the new number by the original number
447 - 101 = 346
346 ÷ 101 = 3.4257425742574257
3.4257425742574257 x 100 = 342.57%