55.24% is the change from 630 to 978
Calculation steps:
[( 978 - 630 ) ÷ 630] x 100 = 55.24%
Formula
Percentage change = [(978 - 630) / 630] x 100
Subtract the new number by the original number
978 - 630 = 348
348 ÷ 630 = 0.5523809523809524
0.5523809523809524 x 100 = 55.24%