83.3% is the change from 515 to 944
Calculation steps:
[( 944 - 515 ) ÷ 515] x 100 = 83.3%
Formula
Percentage change = [(944 - 515) / 515] x 100
Subtract the new number by the original number
944 - 515 = 429
429 ÷ 515 = 0.8330097087378641
0.8330097087378641 x 100 = 83.3%