-70.45% is the change from 687 to 203
Calculation steps:
[( 203 - 687 ) ÷ 687] x 100 = -70.45%
Formula
Percentage change = [(203 - 687) / 687] x 100
Subtract the new number by the original number
203 - 687 = -484
-484 ÷ 687 = -0.7045123726346434
-0.7045123726346434 x 100 = -70.45%