77.93% is the change from 521 to 927
Calculation steps:
[( 927 - 521 ) ÷ 521] x 100 = 77.93%
Formula
Percentage change = [(927 - 521) / 521] x 100
Subtract the new number by the original number
927 - 521 = 406
406 ÷ 521 = 0.7792706333973128
0.7792706333973128 x 100 = 77.93%