68.87% is the change from 318 to 537
Calculation steps:
[( 537 - 318 ) ÷ 318] x 100 = 68.87%
Formula
Percentage change = [(537 - 318) / 318] x 100
Subtract the new number by the original number
537 - 318 = 219
219 ÷ 318 = 0.6886792452830188
0.6886792452830188 x 100 = 68.87%