1253.33% is the change from 30 to 406
Calculation steps:
[( 406 - 30 ) ÷ 30] x 100 = 1253.33%
Formula
Percentage change = [(406 - 30) / 30] x 100
Subtract the new number by the original number
406 - 30 = 376
376 ÷ 30 = 12.533333333333333
12.533333333333333 x 100 = 1253.33%