-53.91% is the change from 690 to 318
Calculation steps:
[( 318 - 690 ) ÷ 690] x 100 = -53.91%
Formula
Percentage change = [(318 - 690) / 690] x 100
Subtract the new number by the original number
318 - 690 = -372
-372 ÷ 690 = -0.5391304347826087
-0.5391304347826087 x 100 = -53.91%