-69.92% is the change from 635 to 191
Calculation steps:
[( 191 - 635 ) ÷ 635] x 100 = -69.92%
Formula
Percentage change = [(191 - 635) / 635] x 100
Subtract the new number by the original number
191 - 635 = -444
-444 ÷ 635 = -0.6992125984251969
-0.6992125984251969 x 100 = -69.92%