70.84% is the change from 511 to 873
Calculation steps:
[( 873 - 511 ) ÷ 511] x 100 = 70.84%
Formula
Percentage change = [(873 - 511) / 511] x 100
Subtract the new number by the original number
873 - 511 = 362
362 ÷ 511 = 0.7084148727984344
0.7084148727984344 x 100 = 70.84%