58.79% is the change from 529 to 840
Calculation steps:
[( 840 - 529 ) ÷ 529] x 100 = 58.79%
Formula
Percentage change = [(840 - 529) / 529] x 100
Subtract the new number by the original number
840 - 529 = 311
311 ÷ 529 = 0.5879017013232514
0.5879017013232514 x 100 = 58.79%