61.9% is the change from 63 to 102
Calculation steps:
[( 102 - 63 ) ÷ 63] x 100 = 61.9%
Formula
Percentage change = [(102 - 63) / 63] x 100
Subtract the new number by the original number
102 - 63 = 39
39 ÷ 63 = 0.6190476190476191
0.6190476190476191 x 100 = 61.9%