85.51% is the change from 276 to 512
Calculation steps:
[( 512 - 276 ) ÷ 276] x 100 = 85.51%
Formula
Percentage change = [(512 - 276) / 276] x 100
Subtract the new number by the original number
512 - 276 = 236
236 ÷ 276 = 0.855072463768116
0.855072463768116 x 100 = 85.51%