89.64% is the change from 521 to 988
Calculation steps:
[( 988 - 521 ) ÷ 521] x 100 = 89.64%
Formula
Percentage change = [(988 - 521) / 521] x 100
Subtract the new number by the original number
988 - 521 = 467
467 ÷ 521 = 0.8963531669865643
0.8963531669865643 x 100 = 89.64%