88.55% is the change from 428 to 807
Calculation steps:
[( 807 - 428 ) ÷ 428] x 100 = 88.55%
Formula
Percentage change = [(807 - 428) / 428] x 100
Subtract the new number by the original number
807 - 428 = 379
379 ÷ 428 = 0.8855140186915887
0.8855140186915887 x 100 = 88.55%