-19.52% is the change from 784 to 631
Calculation steps:
[( 631 - 784 ) ÷ 784] x 100 = -19.52%
Formula
Percentage change = [(631 - 784) / 784] x 100
Subtract the new number by the original number
631 - 784 = -153
-153 ÷ 784 = -0.1951530612244898
-0.1951530612244898 x 100 = -19.52%