-42.51% is the change from 915 to 526
Calculation steps:
[( 526 - 915 ) ÷ 915] x 100 = -42.51%
Formula
Percentage change = [(526 - 915) / 915] x 100
Subtract the new number by the original number
526 - 915 = -389
-389 ÷ 915 = -0.42513661202185793
-0.42513661202185793 x 100 = -42.51%