1400% is the change from 64 to 960
Calculation steps:
[( 960 - 64 ) ÷ 64] x 100 = 1400%
Formula
Percentage change = [(960 - 64) / 64] x 100
Subtract the new number by the original number
960 - 64 = 896
896 ÷ 64 = 14
14 x 100 = 1400%
Example