-44.9% is the change from 764 to 421
Calculation steps:
[( 421 - 764 ) ÷ 764] x 100 = -44.9%
Formula
Percentage change = [(421 - 764) / 764] x 100
Subtract the new number by the original number
421 - 764 = -343
-343 ÷ 764 = -0.4489528795811518
-0.4489528795811518 x 100 = -44.9%