-68.33% is the change from 641 to 203
Calculation steps:
[( 203 - 641 ) ÷ 641] x 100 = -68.33%
Formula
Percentage change = [(203 - 641) / 641] x 100
Subtract the new number by the original number
203 - 641 = -438
-438 ÷ 641 = -0.6833073322932918
-0.6833073322932918 x 100 = -68.33%