-70.36% is the change from 631 to 187
Calculation steps:
[( 187 - 631 ) ÷ 631] x 100 = -70.36%
Formula
Percentage change = [(187 - 631) / 631] x 100
Subtract the new number by the original number
187 - 631 = -444
-444 ÷ 631 = -0.7036450079239303
-0.7036450079239303 x 100 = -70.36%