-64.78% is the change from 690 to 243
Calculation steps:
[( 243 - 690 ) ÷ 690] x 100 = -64.78%
Formula
Percentage change = [(243 - 690) / 690] x 100
Subtract the new number by the original number
243 - 690 = -447
-447 ÷ 690 = -0.6478260869565218
-0.6478260869565218 x 100 = -64.78%