65.82% is the change from 512 to 849
Calculation steps:
[( 849 - 512 ) ÷ 512] x 100 = 65.82%
Formula
Percentage change = [(849 - 512) / 512] x 100
Subtract the new number by the original number
849 - 512 = 337
337 ÷ 512 = 0.658203125
0.658203125 x 100 = 65.82%