54.83% is the change from 631 to 977
Calculation steps:
[( 977 - 631 ) ÷ 631] x 100 = 54.83%
Formula
Percentage change = [(977 - 631) / 631] x 100
Subtract the new number by the original number
977 - 631 = 346
346 ÷ 631 = 0.5483359746434231
0.5483359746434231 x 100 = 54.83%