-42.41% is the change from 547 to 315
Calculation steps:
[( 315 - 547 ) ÷ 547] x 100 = -42.41%
Formula
Percentage change = [(315 - 547) / 547] x 100
Subtract the new number by the original number
315 - 547 = -232
-232 ÷ 547 = -0.42413162705667273
-0.42413162705667273 x 100 = -42.41%