-43.78% is the change from 555 to 312
Calculation steps:
[( 312 - 555 ) ÷ 555] x 100 = -43.78%
Formula
Percentage change = [(312 - 555) / 555] x 100
Subtract the new number by the original number
312 - 555 = -243
-243 ÷ 555 = -0.43783783783783786
-0.43783783783783786 x 100 = -43.78%