538.46% is the change from 78 to 498
Calculation steps:
[( 498 - 78 ) ÷ 78] x 100 = 538.46%
Formula
Percentage change = [(498 - 78) / 78] x 100
Subtract the new number by the original number
498 - 78 = 420
420 ÷ 78 = 5.384615384615385
5.384615384615385 x 100 = 538.46%