-68.38% is the change from 623 to 197
Calculation steps:
[( 197 - 623 ) ÷ 623] x 100 = -68.38%
Formula
Percentage change = [(197 - 623) / 623] x 100
Subtract the new number by the original number
197 - 623 = -426
-426 ÷ 623 = -0.6837881219903692
-0.6837881219903692 x 100 = -68.38%