67.97% is the change from 512 to 860
Calculation steps:
[( 860 - 512 ) ÷ 512] x 100 = 67.97%
Formula
Percentage change = [(860 - 512) / 512] x 100
Subtract the new number by the original number
860 - 512 = 348
348 ÷ 512 = 0.6796875
0.6796875 x 100 = 67.97%