66.74% is the change from 487 to 812
Calculation steps:
[( 812 - 487 ) ÷ 487] x 100 = 66.74%
Formula
Percentage change = [(812 - 487) / 487] x 100
Subtract the new number by the original number
812 - 487 = 325
325 ÷ 487 = 0.6673511293634496
0.6673511293634496 x 100 = 66.74%