1235.94% is the change from 64 to 855
Calculation steps:
[( 855 - 64 ) ÷ 64] x 100 = 1235.94%
Formula
Percentage change = [(855 - 64) / 64] x 100
Subtract the new number by the original number
855 - 64 = 791
791 ÷ 64 = 12.359375
12.359375 x 100 = 1235.94%