67.77% is the change from 512 to 859
Calculation steps:
[( 859 - 512 ) ÷ 512] x 100 = 67.77%
Formula
Percentage change = [(859 - 512) / 512] x 100
Subtract the new number by the original number
859 - 512 = 347
347 ÷ 512 = 0.677734375
0.677734375 x 100 = 67.77%