491.3% is the change from 69 to 408
Calculation steps:
[( 408 - 69 ) ÷ 69] x 100 = 491.3%
Formula
Percentage change = [(408 - 69) / 69] x 100
Subtract the new number by the original number
408 - 69 = 339
339 ÷ 69 = 4.913043478260869
4.913043478260869 x 100 = 491.3%