-48.44% is the change from 770 to 397
Calculation steps:
[( 397 - 770 ) ÷ 770] x 100 = -48.44%
Formula
Percentage change = [(397 - 770) / 770] x 100
Subtract the new number by the original number
397 - 770 = -373
-373 ÷ 770 = -0.4844155844155844
-0.4844155844155844 x 100 = -48.44%