68.91% is the change from 312 to 527
Calculation steps:
[( 527 - 312 ) ÷ 312] x 100 = 68.91%
Formula
Percentage change = [(527 - 312) / 312] x 100
Subtract the new number by the original number
527 - 312 = 215
215 ÷ 312 = 0.6891025641025641
0.6891025641025641 x 100 = 68.91%