-45.77% is the change from 780 to 423
Calculation steps:
[( 423 - 780 ) ÷ 780] x 100 = -45.77%
Formula
Percentage change = [(423 - 780) / 780] x 100
Subtract the new number by the original number
423 - 780 = -357
-357 ÷ 780 = -0.4576923076923077
-0.4576923076923077 x 100 = -45.77%