434.15% is the change from 82 to 438
Calculation steps:
[( 438 - 82 ) ÷ 82] x 100 = 434.15%
Formula
Percentage change = [(438 - 82) / 82] x 100
Subtract the new number by the original number
438 - 82 = 356
356 ÷ 82 = 4.341463414634147
4.341463414634147 x 100 = 434.15%