81.69% is the change from 284 to 516
Calculation steps:
[( 516 - 284 ) ÷ 284] x 100 = 81.69%
Formula
Percentage change = [(516 - 284) / 284] x 100
Subtract the new number by the original number
516 - 284 = 232
232 ÷ 284 = 0.8169014084507042
0.8169014084507042 x 100 = 81.69%