89.72% is the change from 428 to 812
Calculation steps:
[( 812 - 428 ) ÷ 428] x 100 = 89.72%
Formula
Percentage change = [(812 - 428) / 428] x 100
Subtract the new number by the original number
812 - 428 = 384
384 ÷ 428 = 0.897196261682243
0.897196261682243 x 100 = 89.72%