5137.5% is the change from 8 to 419
Calculation steps:
[( 419 - 8 ) ÷ 8] x 100 = 5137.5%
Formula
Percentage change = [(419 - 8) / 8] x 100
Subtract the new number by the original number
419 - 8 = 411
411 ÷ 8 = 51.375
51.375 x 100 = 5137.5%
Example