62.57% is the change from 521 to 847
Calculation steps:
[( 847 - 521 ) ÷ 521] x 100 = 62.57%
Formula
Percentage change = [(847 - 521) / 521] x 100
Subtract the new number by the original number
847 - 521 = 326
326 ÷ 521 = 0.6257197696737045
0.6257197696737045 x 100 = 62.57%