610.14% is the change from 69 to 490
Calculation steps:
[( 490 - 69 ) ÷ 69] x 100 = 610.14%
Formula
Percentage change = [(490 - 69) / 69] x 100
Subtract the new number by the original number
490 - 69 = 421
421 ÷ 69 = 6.101449275362318
6.101449275362318 x 100 = 610.14%