-68.63% is the change from 628 to 197
Calculation steps:
[( 197 - 628 ) ÷ 628] x 100 = -68.63%
Formula
Percentage change = [(197 - 628) / 628] x 100
Subtract the new number by the original number
197 - 628 = -431
-431 ÷ 628 = -0.6863057324840764
-0.6863057324840764 x 100 = -68.63%