608.33% is the change from 12 to 85
Calculation steps:
[( 85 - 12 ) ÷ 12] x 100 = 608.33%
Formula
Percentage change = [(85 - 12) / 12] x 100
Subtract the new number by the original number
85 - 12 = 73
73 ÷ 12 = 6.083333333333333
6.083333333333333 x 100 = 608.33%