700% is the change from 16 to 128
Calculation steps:
[( 128 - 16 ) ÷ 16] x 100 = 700%
Formula
Percentage change = [(128 - 16) / 16] x 100
Subtract the new number by the original number
128 - 16 = 112
112 ÷ 16 = 7
7 x 100 = 700%
Example