-69.95% is the change from 649 to 195
Calculation steps:
[( 195 - 649 ) ÷ 649] x 100 = -69.95%
Formula
Percentage change = [(195 - 649) / 649] x 100
Subtract the new number by the original number
195 - 649 = -454
-454 ÷ 649 = -0.699537750385208
-0.699537750385208 x 100 = -69.95%