63.57% is the change from 420 to 687
Calculation steps:
[( 687 - 420 ) ÷ 420] x 100 = 63.57%
Formula
Percentage change = [(687 - 420) / 420] x 100
Subtract the new number by the original number
687 - 420 = 267
267 ÷ 420 = 0.6357142857142857
0.6357142857142857 x 100 = 63.57%