-43.34% is the change from 766 to 434
Calculation steps:
[( 434 - 766 ) ÷ 766] x 100 = -43.34%
Formula
Percentage change = [(434 - 766) / 766] x 100
Subtract the new number by the original number
434 - 766 = -332
-332 ÷ 766 = -0.43342036553524804
-0.43342036553524804 x 100 = -43.34%