-70.43% is the change from 690 to 204
Calculation steps:
[( 204 - 690 ) ÷ 690] x 100 = -70.43%
Formula
Percentage change = [(204 - 690) / 690] x 100
Subtract the new number by the original number
204 - 690 = -486
-486 ÷ 690 = -0.7043478260869566
-0.7043478260869566 x 100 = -70.43%