63.55% is the change from 428 to 700
Calculation steps:
[( 700 - 428 ) ÷ 428] x 100 = 63.55%
Formula
Percentage change = [(700 - 428) / 428] x 100
Subtract the new number by the original number
700 - 428 = 272
272 ÷ 428 = 0.6355140186915887
0.6355140186915887 x 100 = 63.55%