854.69% is the change from 64 to 611
Calculation steps:
[( 611 - 64 ) ÷ 64] x 100 = 854.69%
Formula
Percentage change = [(611 - 64) / 64] x 100
Subtract the new number by the original number
611 - 64 = 547
547 ÷ 64 = 8.546875
8.546875 x 100 = 854.69%