-42.84% is the change from 915 to 523
Calculation steps:
[( 523 - 915 ) ÷ 915] x 100 = -42.84%
Formula
Percentage change = [(523 - 915) / 915] x 100
Subtract the new number by the original number
523 - 915 = -392
-392 ÷ 915 = -0.4284153005464481
-0.4284153005464481 x 100 = -42.84%