54.13% is the change from 630 to 971
Calculation steps:
[( 971 - 630 ) ÷ 630] x 100 = 54.13%
Formula
Percentage change = [(971 - 630) / 630] x 100
Subtract the new number by the original number
971 - 630 = 341
341 ÷ 630 = 0.5412698412698412
0.5412698412698412 x 100 = 54.13%