508.33% is the change from 84 to 511
Calculation steps:
[( 511 - 84 ) ÷ 84] x 100 = 508.33%
Formula
Percentage change = [(511 - 84) / 84] x 100
Subtract the new number by the original number
511 - 84 = 427
427 ÷ 84 = 5.083333333333333
5.083333333333333 x 100 = 508.33%