1234.38% is the change from 64 to 854
Calculation steps:
[( 854 - 64 ) ÷ 64] x 100 = 1234.38%
Formula
Percentage change = [(854 - 64) / 64] x 100
Subtract the new number by the original number
854 - 64 = 790
790 ÷ 64 = 12.34375
12.34375 x 100 = 1234.38%