77.54% is the change from 521 to 925
Calculation steps:
[( 925 - 521 ) ÷ 521] x 100 = 77.54%
Formula
Percentage change = [(925 - 521) / 521] x 100
Subtract the new number by the original number
925 - 521 = 404
404 ÷ 521 = 0.7754318618042226
0.7754318618042226 x 100 = 77.54%