806.25% is the change from 16 to 145
Calculation steps:
[( 145 - 16 ) ÷ 16] x 100 = 806.25%
Formula
Percentage change = [(145 - 16) / 16] x 100
Subtract the new number by the original number
145 - 16 = 129
129 ÷ 16 = 8.0625
8.0625 x 100 = 806.25%
Example