84.77% is the change from 512 to 946
Calculation steps:
[( 946 - 512 ) ÷ 512] x 100 = 84.77%
Formula
Percentage change = [(946 - 512) / 512] x 100
Subtract the new number by the original number
946 - 512 = 434
434 ÷ 512 = 0.84765625
0.84765625 x 100 = 84.77%