55.07% is the change from 621 to 963
Calculation steps:
[( 963 - 621 ) ÷ 621] x 100 = 55.07%
Formula
Percentage change = [(963 - 621) / 621] x 100
Subtract the new number by the original number
963 - 621 = 342
342 ÷ 621 = 0.5507246376811594
0.5507246376811594 x 100 = 55.07%