-69.74% is the change from 651 to 197
Calculation steps:
[( 197 - 651 ) ÷ 651] x 100 = -69.74%
Formula
Percentage change = [(197 - 651) / 651] x 100
Subtract the new number by the original number
197 - 651 = -454
-454 ÷ 651 = -0.6973886328725039
-0.6973886328725039 x 100 = -69.74%