55.32% is the change from 620 to 963
Calculation steps:
[( 963 - 620 ) ÷ 620] x 100 = 55.32%
Formula
Percentage change = [(963 - 620) / 620] x 100
Subtract the new number by the original number
963 - 620 = 343
343 ÷ 620 = 0.5532258064516129
0.5532258064516129 x 100 = 55.32%