85.16% is the change from 512 to 948
Calculation steps:
[( 948 - 512 ) ÷ 512] x 100 = 85.16%
Formula
Percentage change = [(948 - 512) / 512] x 100
Subtract the new number by the original number
948 - 512 = 436
436 ÷ 512 = 0.8515625
0.8515625 x 100 = 85.16%