494.44% is the change from 108 to 642
Calculation steps:
[( 642 - 108 ) ÷ 108] x 100 = 494.44%
Formula
Percentage change = [(642 - 108) / 108] x 100
Subtract the new number by the original number
642 - 108 = 534
534 ÷ 108 = 4.944444444444445
4.944444444444445 x 100 = 494.44%