-41.3% is the change from 690 to 405
Calculation steps:
[( 405 - 690 ) ÷ 690] x 100 = -41.3%
Formula
Percentage change = [(405 - 690) / 690] x 100
Subtract the new number by the original number
405 - 690 = -285
-285 ÷ 690 = -0.41304347826086957
-0.41304347826086957 x 100 = -41.3%