87.5% is the change from 16 to 30
Calculation steps:
[( 30 - 16 ) ÷ 16] x 100 = 87.5%
Formula
Percentage change = [(30 - 16) / 16] x 100
Subtract the new number by the original number
30 - 16 = 14
14 ÷ 16 = 0.875
0.875 x 100 = 87.5%
Example