65.97% is the change from 523 to 868
Calculation steps:
[( 868 - 523 ) ÷ 523] x 100 = 65.97%
Formula
Percentage change = [(868 - 523) / 523] x 100
Subtract the new number by the original number
868 - 523 = 345
345 ÷ 523 = 0.6596558317399618
0.6596558317399618 x 100 = 65.97%