71.06% is the change from 311 to 532
Calculation steps:
[( 532 - 311 ) ÷ 311] x 100 = 71.06%
Formula
Percentage change = [(532 - 311) / 311] x 100
Subtract the new number by the original number
532 - 311 = 221
221 ÷ 311 = 0.7106109324758842
0.7106109324758842 x 100 = 71.06%