-45.17% is the change from 766 to 420
Calculation steps:
[( 420 - 766 ) ÷ 766] x 100 = -45.17%
Formula
Percentage change = [(420 - 766) / 766] x 100
Subtract the new number by the original number
420 - 766 = -346
-346 ÷ 766 = -0.4516971279373368
-0.4516971279373368 x 100 = -45.17%