82.73% is the change from 521 to 952
Calculation steps:
[( 952 - 521 ) ÷ 521] x 100 = 82.73%
Formula
Percentage change = [(952 - 521) / 521] x 100
Subtract the new number by the original number
952 - 521 = 431
431 ÷ 521 = 0.8272552783109405
0.8272552783109405 x 100 = 82.73%