67.95% is the change from 312 to 524
Calculation steps:
[( 524 - 312 ) ÷ 312] x 100 = 67.95%
Formula
Percentage change = [(524 - 312) / 312] x 100
Subtract the new number by the original number
524 - 312 = 212
212 ÷ 312 = 0.6794871794871795
0.6794871794871795 x 100 = 67.95%