35.89% is the change from 287 to 390
Calculation steps:
[( 390 - 287 ) ÷ 287] x 100 = 35.89%
Formula
Percentage change = [(390 - 287) / 287] x 100
Subtract the new number by the original number
390 - 287 = 103
103 ÷ 287 = 0.3588850174216028
0.3588850174216028 x 100 = 35.89%