76.97% is the change from 521 to 922
Calculation steps:
[( 922 - 521 ) ÷ 521] x 100 = 76.97%
Formula
Percentage change = [(922 - 521) / 521] x 100
Subtract the new number by the original number
922 - 521 = 401
401 ÷ 521 = 0.7696737044145874
0.7696737044145874 x 100 = 76.97%