1400% is the change from 6 to 90
Calculation steps:
[( 90 - 6 ) ÷ 6] x 100 = 1400%
Formula
Percentage change = [(90 - 6) / 6] x 100
Subtract the new number by the original number
90 - 6 = 84
84 ÷ 6 = 14
14 x 100 = 1400%
Example