-27.98% is the change from 511 to 368
Calculation steps:
[( 368 - 511 ) ÷ 511] x 100 = -27.98%
Formula
Percentage change = [(368 - 511) / 511] x 100
Subtract the new number by the original number
368 - 511 = -143
-143 ÷ 511 = -0.27984344422700586
-0.27984344422700586 x 100 = -27.98%