71.47% is the change from 312 to 535
Calculation steps:
[( 535 - 312 ) ÷ 312] x 100 = 71.47%
Formula
Percentage change = [(535 - 312) / 312] x 100
Subtract the new number by the original number
535 - 312 = 223
223 ÷ 312 = 0.7147435897435898
0.7147435897435898 x 100 = 71.47%