-37.84% is the change from 555 to 345
Calculation steps:
[( 345 - 555 ) ÷ 555] x 100 = -37.84%
Formula
Percentage change = [(345 - 555) / 555] x 100
Subtract the new number by the original number
345 - 555 = -210
-210 ÷ 555 = -0.3783783783783784
-0.3783783783783784 x 100 = -37.84%