-44.29% is the change from 770 to 429
Calculation steps:
[( 429 - 770 ) ÷ 770] x 100 = -44.29%
Formula
Percentage change = [(429 - 770) / 770] x 100
Subtract the new number by the original number
429 - 770 = -341
-341 ÷ 770 = -0.44285714285714284
-0.44285714285714284 x 100 = -44.29%