-16.78% is the change from 614 to 511
Calculation steps:
[( 511 - 614 ) ÷ 614] x 100 = -16.78%
Formula
Percentage change = [(511 - 614) / 614] x 100
Subtract the new number by the original number
511 - 614 = -103
-103 ÷ 614 = -0.16775244299674266
-0.16775244299674266 x 100 = -16.78%