1231.25% is the change from 64 to 852
Calculation steps:
[( 852 - 64 ) ÷ 64] x 100 = 1231.25%
Formula
Percentage change = [(852 - 64) / 64] x 100
Subtract the new number by the original number
852 - 64 = 788
788 ÷ 64 = 12.3125
12.3125 x 100 = 1231.25%