87.5% is the change from 208 to 390
Calculation steps:
[( 390 - 208 ) ÷ 208] x 100 = 87.5%
Formula
Percentage change = [(390 - 208) / 208] x 100
Subtract the new number by the original number
390 - 208 = 182
182 ÷ 208 = 0.875
0.875 x 100 = 87.5%
Example