102.57% is the change from 428 to 867
Calculation steps:
[( 867 - 428 ) ÷ 428] x 100 = 102.57%
Formula
Percentage change = [(867 - 428) / 428] x 100
Subtract the new number by the original number
867 - 428 = 439
439 ÷ 428 = 1.0257009345794392
1.0257009345794392 x 100 = 102.57%