-75.59% is the change from 631 to 154
Calculation steps:
[( 154 - 631 ) ÷ 631] x 100 = -75.59%
Formula
Percentage change = [(154 - 631) / 631] x 100
Subtract the new number by the original number
154 - 631 = -477
-477 ÷ 631 = -0.7559429477020603
-0.7559429477020603 x 100 = -75.59%