-15.89% is the change from 516 to 434
Calculation steps:
[( 434 - 516 ) ÷ 516] x 100 = -15.89%
Formula
Percentage change = [(434 - 516) / 516] x 100
Subtract the new number by the original number
434 - 516 = -82
-82 ÷ 516 = -0.15891472868217055
-0.15891472868217055 x 100 = -15.89%