-39.67% is the change from 915 to 552
Calculation steps:
[( 552 - 915 ) ÷ 915] x 100 = -39.67%
Formula
Percentage change = [(552 - 915) / 915] x 100
Subtract the new number by the original number
552 - 915 = -363
-363 ÷ 915 = -0.39672131147540984
-0.39672131147540984 x 100 = -39.67%