1150% is the change from 64 to 800
Calculation steps:
[( 800 - 64 ) ÷ 64] x 100 = 1150%
Formula
Percentage change = [(800 - 64) / 64] x 100
Subtract the new number by the original number
800 - 64 = 736
736 ÷ 64 = 11.5
11.5 x 100 = 1150%
Example