-46.31% is the change from 745 to 400
Calculation steps:
[( 400 - 745 ) ÷ 745] x 100 = -46.31%
Formula
Percentage change = [(400 - 745) / 745] x 100
Subtract the new number by the original number
400 - 745 = -345
-345 ÷ 745 = -0.46308724832214765
-0.46308724832214765 x 100 = -46.31%