85.55% is the change from 512 to 950
Calculation steps:
[( 950 - 512 ) ÷ 512] x 100 = 85.55%
Formula
Percentage change = [(950 - 512) / 512] x 100
Subtract the new number by the original number
950 - 512 = 438
438 ÷ 512 = 0.85546875
0.85546875 x 100 = 85.55%