52.73% is the change from 512 to 782
Calculation steps:
[( 782 - 512 ) ÷ 512] x 100 = 52.73%
Formula
Percentage change = [(782 - 512) / 512] x 100
Subtract the new number by the original number
782 - 512 = 270
270 ÷ 512 = 0.52734375
0.52734375 x 100 = 52.73%