525% is the change from 12 to 75
Calculation steps:
[( 75 - 12 ) ÷ 12] x 100 = 525%
Formula
Percentage change = [(75 - 12) / 12] x 100
Subtract the new number by the original number
75 - 12 = 63
63 ÷ 12 = 5.25
5.25 x 100 = 525%
Example