-41.86% is the change from 547 to 318
Calculation steps:
[( 318 - 547 ) ÷ 547] x 100 = -41.86%
Formula
Percentage change = [(318 - 547) / 547] x 100
Subtract the new number by the original number
318 - 547 = -229
-229 ÷ 547 = -0.4186471663619744
-0.4186471663619744 x 100 = -41.86%