71.08% is the change from 581 to 994
Calculation steps:
[( 994 - 581 ) ÷ 581] x 100 = 71.08%
Formula
Percentage change = [(994 - 581) / 581] x 100
Subtract the new number by the original number
994 - 581 = 413
413 ÷ 581 = 0.7108433734939759
0.7108433734939759 x 100 = 71.08%