55.25% is the change from 581 to 902
Calculation steps:
[( 902 - 581 ) ÷ 581] x 100 = 55.25%
Formula
Percentage change = [(902 - 581) / 581] x 100
Subtract the new number by the original number
902 - 581 = 321
321 ÷ 581 = 0.5524956970740104
0.5524956970740104 x 100 = 55.25%