-42.48% is the change from 918 to 528
Calculation steps:
[( 528 - 918 ) ÷ 918] x 100 = -42.48%
Formula
Percentage change = [(528 - 918) / 918] x 100
Subtract the new number by the original number
528 - 918 = -390
-390 ÷ 918 = -0.42483660130718953
-0.42483660130718953 x 100 = -42.48%