211.03% is the change from 145 to 451
Calculation steps:
[( 451 - 145 ) ÷ 145] x 100 = 211.03%
Formula
Percentage change = [(451 - 145) / 145] x 100
Subtract the new number by the original number
451 - 145 = 306
306 ÷ 145 = 2.110344827586207
2.110344827586207 x 100 = 211.03%