-16.61% is the change from 614 to 512
Calculation steps:
[( 512 - 614 ) ÷ 614] x 100 = -16.61%
Formula
Percentage change = [(512 - 614) / 614] x 100
Subtract the new number by the original number
512 - 614 = -102
-102 ÷ 614 = -0.16612377850162866
-0.16612377850162866 x 100 = -16.61%