431.25% is the change from 16 to 85
Calculation steps:
[( 85 - 16 ) ÷ 16] x 100 = 431.25%
Formula
Percentage change = [(85 - 16) / 16] x 100
Subtract the new number by the original number
85 - 16 = 69
69 ÷ 16 = 4.3125
4.3125 x 100 = 431.25%
Example