-1.17% is the change from 513 to 507
Calculation steps:
[( 507 - 513 ) ÷ 513] x 100 = -1.17%
Formula
Percentage change = [(507 - 513) / 513] x 100
Subtract the new number by the original number
507 - 513 = -6
-6 ÷ 513 = -0.011695906432748537
-0.011695906432748537 x 100 = -1.17%