86.33% is the change from 512 to 954
Calculation steps:
[( 954 - 512 ) ÷ 512] x 100 = 86.33%
Formula
Percentage change = [(954 - 512) / 512] x 100
Subtract the new number by the original number
954 - 512 = 442
442 ÷ 512 = 0.86328125
0.86328125 x 100 = 86.33%