651.19% is the change from 84 to 631
Calculation steps:
[( 631 - 84 ) ÷ 84] x 100 = 651.19%
Formula
Percentage change = [(631 - 84) / 84] x 100
Subtract the new number by the original number
631 - 84 = 547
547 ÷ 84 = 6.511904761904762
6.511904761904762 x 100 = 651.19%