84.62% is the change from 312 to 576
Calculation steps:
[( 576 - 312 ) ÷ 312] x 100 = 84.62%
Formula
Percentage change = [(576 - 312) / 312] x 100
Subtract the new number by the original number
576 - 312 = 264
264 ÷ 312 = 0.8461538461538461
0.8461538461538461 x 100 = 84.62%