56.97% is the change from 581 to 912
Calculation steps:
[( 912 - 581 ) ÷ 581] x 100 = 56.97%
Formula
Percentage change = [(912 - 581) / 581] x 100
Subtract the new number by the original number
912 - 581 = 331
331 ÷ 581 = 0.5697074010327022
0.5697074010327022 x 100 = 56.97%