70.08% is the change from 518 to 881
Calculation steps:
[( 881 - 518 ) ÷ 518] x 100 = 70.08%
Formula
Percentage change = [(881 - 518) / 518] x 100
Subtract the new number by the original number
881 - 518 = 363
363 ÷ 518 = 0.7007722007722008
0.7007722007722008 x 100 = 70.08%