70.1% is the change from 311 to 529
Calculation steps:
[( 529 - 311 ) ÷ 311] x 100 = 70.1%
Formula
Percentage change = [(529 - 311) / 311] x 100
Subtract the new number by the original number
529 - 311 = 218
218 ÷ 311 = 0.7009646302250804
0.7009646302250804 x 100 = 70.1%