64.05% is the change from 523 to 858
Calculation steps:
[( 858 - 523 ) ÷ 523] x 100 = 64.05%
Formula
Percentage change = [(858 - 523) / 523] x 100
Subtract the new number by the original number
858 - 523 = 335
335 ÷ 523 = 0.6405353728489483
0.6405353728489483 x 100 = 64.05%