-48.63% is the change from 915 to 470
Calculation steps:
[( 470 - 915 ) ÷ 915] x 100 = -48.63%
Formula
Percentage change = [(470 - 915) / 915] x 100
Subtract the new number by the original number
470 - 915 = -445
-445 ÷ 915 = -0.48633879781420764
-0.48633879781420764 x 100 = -48.63%