70.51% is the change from 312 to 532
Calculation steps:
[( 532 - 312 ) ÷ 312] x 100 = 70.51%
Formula
Percentage change = [(532 - 312) / 312] x 100
Subtract the new number by the original number
532 - 312 = 220
220 ÷ 312 = 0.7051282051282052
0.7051282051282052 x 100 = 70.51%