82.37% is the change from 312 to 569
Calculation steps:
[( 569 - 312 ) ÷ 312] x 100 = 82.37%
Formula
Percentage change = [(569 - 312) / 312] x 100
Subtract the new number by the original number
569 - 312 = 257
257 ÷ 312 = 0.8237179487179487
0.8237179487179487 x 100 = 82.37%