102.8% is the change from 428 to 868
Calculation steps:
[( 868 - 428 ) ÷ 428] x 100 = 102.8%
Formula
Percentage change = [(868 - 428) / 428] x 100
Subtract the new number by the original number
868 - 428 = 440
440 ÷ 428 = 1.02803738317757
1.02803738317757 x 100 = 102.8%