-38.38% is the change from 555 to 342
Calculation steps:
[( 342 - 555 ) ÷ 555] x 100 = -38.38%
Formula
Percentage change = [(342 - 555) / 555] x 100
Subtract the new number by the original number
342 - 555 = -213
-213 ÷ 555 = -0.3837837837837838
-0.3837837837837838 x 100 = -38.38%