82% is the change from 511 to 930
Calculation steps:
[( 930 - 511 ) ÷ 511] x 100 = 82%
Formula
Percentage change = [(930 - 511) / 511] x 100
Subtract the new number by the original number
930 - 511 = 419
419 ÷ 511 = 0.8199608610567515
0.8199608610567515 x 100 = 82%