-51.37% is the change from 915 to 445
Calculation steps:
[( 445 - 915 ) ÷ 915] x 100 = -51.37%
Formula
Percentage change = [(445 - 915) / 915] x 100
Subtract the new number by the original number
445 - 915 = -470
-470 ÷ 915 = -0.5136612021857924
-0.5136612021857924 x 100 = -51.37%