-40.9% is the change from 533 to 315
Calculation steps:
[( 315 - 533 ) ÷ 533] x 100 = -40.9%
Formula
Percentage change = [(315 - 533) / 533] x 100
Subtract the new number by the original number
315 - 533 = -218
-218 ÷ 533 = -0.4090056285178236
-0.4090056285178236 x 100 = -40.9%