-17.43% is the change from 614 to 507
Calculation steps:
[( 507 - 614 ) ÷ 614] x 100 = -17.43%
Formula
Percentage change = [(507 - 614) / 614] x 100
Subtract the new number by the original number
507 - 614 = -107
-107 ÷ 614 = -0.1742671009771987
-0.1742671009771987 x 100 = -17.43%