44.72% is the change from 521 to 754
Calculation steps:
[( 754 - 521 ) ÷ 521] x 100 = 44.72%
Formula
Percentage change = [(754 - 521) / 521] x 100
Subtract the new number by the original number
754 - 521 = 233
233 ÷ 521 = 0.4472168905950096
0.4472168905950096 x 100 = 44.72%