-45.58% is the change from 770 to 419
Calculation steps:
[( 419 - 770 ) ÷ 770] x 100 = -45.58%
Formula
Percentage change = [(419 - 770) / 770] x 100
Subtract the new number by the original number
419 - 770 = -351
-351 ÷ 770 = -0.45584415584415583
-0.45584415584415583 x 100 = -45.58%