-69.1% is the change from 631 to 195
Calculation steps:
[( 195 - 631 ) ÷ 631] x 100 = -69.1%
Formula
Percentage change = [(195 - 631) / 631] x 100
Subtract the new number by the original number
195 - 631 = -436
-436 ÷ 631 = -0.6909667194928685
-0.6909667194928685 x 100 = -69.1%