-65.64% is the change from 518 to 178
Calculation steps:
[( 178 - 518 ) ÷ 518] x 100 = -65.64%
Formula
Percentage change = [(178 - 518) / 518] x 100
Subtract the new number by the original number
178 - 518 = -340
-340 ÷ 518 = -0.6563706563706564
-0.6563706563706564 x 100 = -65.64%