429.63% is the change from 81 to 429
Calculation steps:
[( 429 - 81 ) ÷ 81] x 100 = 429.63%
Formula
Percentage change = [(429 - 81) / 81] x 100
Subtract the new number by the original number
429 - 81 = 348
348 ÷ 81 = 4.296296296296297
4.296296296296297 x 100 = 429.63%