68.24% is the change from 318 to 535
Calculation steps:
[( 535 - 318 ) ÷ 318] x 100 = 68.24%
Formula
Percentage change = [(535 - 318) / 318] x 100
Subtract the new number by the original number
535 - 318 = 217
217 ÷ 318 = 0.6823899371069182
0.6823899371069182 x 100 = 68.24%
Example