-69.43% is the change from 664 to 203
Calculation steps:
[( 203 - 664 ) ÷ 664] x 100 = -69.43%
Formula
Percentage change = [(203 - 664) / 664] x 100
Subtract the new number by the original number
203 - 664 = -461
-461 ÷ 664 = -0.6942771084337349
-0.6942771084337349 x 100 = -69.43%