-19.89% is the change from 915 to 733
Calculation steps:
[( 733 - 915 ) ÷ 915] x 100 = -19.89%
Formula
Percentage change = [(733 - 915) / 915] x 100
Subtract the new number by the original number
733 - 915 = -182
-182 ÷ 915 = -0.1989071038251366
-0.1989071038251366 x 100 = -19.89%