93.75% is the change from 16 to 31
Calculation steps:
[( 31 - 16 ) ÷ 16] x 100 = 93.75%
Formula
Percentage change = [(31 - 16) / 16] x 100
Subtract the new number by the original number
31 - 16 = 15
15 ÷ 16 = 0.9375
0.9375 x 100 = 93.75%
Example