-50.39% is the change from 770 to 382
Calculation steps:
[( 382 - 770 ) ÷ 770] x 100 = -50.39%
Formula
Percentage change = [(382 - 770) / 770] x 100
Subtract the new number by the original number
382 - 770 = -388
-388 ÷ 770 = -0.5038961038961038
-0.5038961038961038 x 100 = -50.39%