1400% is the change from 16 to 240
Calculation steps:
[( 240 - 16 ) ÷ 16] x 100 = 1400%
Formula
Percentage change = [(240 - 16) / 16] x 100
Subtract the new number by the original number
240 - 16 = 224
224 ÷ 16 = 14
14 x 100 = 1400%
Example