2562.5% is the change from 16 to 426
Calculation steps:
[( 426 - 16 ) ÷ 16] x 100 = 2562.5%
Formula
Percentage change = [(426 - 16) / 16] x 100
Subtract the new number by the original number
426 - 16 = 410
410 ÷ 16 = 25.625
25.625 x 100 = 2562.5%
Example