85.35% is the change from 512 to 949
Calculation steps:
[( 949 - 512 ) ÷ 512] x 100 = 85.35%
Formula
Percentage change = [(949 - 512) / 512] x 100
Subtract the new number by the original number
949 - 512 = 437
437 ÷ 512 = 0.853515625
0.853515625 x 100 = 85.35%