88.14% is the change from 312 to 587
Calculation steps:
[( 587 - 312 ) ÷ 312] x 100 = 88.14%
Formula
Percentage change = [(587 - 312) / 312] x 100
Subtract the new number by the original number
587 - 312 = 275
275 ÷ 312 = 0.8814102564102564
0.8814102564102564 x 100 = 88.14%