68.55% is the change from 318 to 536
Calculation steps:
[( 536 - 318 ) ÷ 318] x 100 = 68.55%
Formula
Percentage change = [(536 - 318) / 318] x 100
Subtract the new number by the original number
536 - 318 = 218
218 ÷ 318 = 0.6855345911949685
0.6855345911949685 x 100 = 68.55%