57.49% is the change from 621 to 978
Calculation steps:
[( 978 - 621 ) ÷ 621] x 100 = 57.49%
Formula
Percentage change = [(978 - 621) / 621] x 100
Subtract the new number by the original number
978 - 621 = 357
357 ÷ 621 = 0.5748792270531401
0.5748792270531401 x 100 = 57.49%