506.25% is the change from 16 to 97
Calculation steps:
[( 97 - 16 ) ÷ 16] x 100 = 506.25%
Formula
Percentage change = [(97 - 16) / 16] x 100
Subtract the new number by the original number
97 - 16 = 81
81 ÷ 16 = 5.0625
5.0625 x 100 = 506.25%
Example