67.81% is the change from 581 to 975
Calculation steps:
[( 975 - 581 ) ÷ 581] x 100 = 67.81%
Formula
Percentage change = [(975 - 581) / 581] x 100
Subtract the new number by the original number
975 - 581 = 394
394 ÷ 581 = 0.6781411359724613
0.6781411359724613 x 100 = 67.81%