-60% is the change from 545 to 218
Calculation steps:
[( 218 - 545 ) ÷ 545] x 100 = -60%
Formula
Percentage change = [(218 - 545) / 545] x 100
Subtract the new number by the original number
218 - 545 = -327
-327 ÷ 545 = -0.6
-0.6 x 100 = -60%
Example