-36.84% is the change from 817 to 516
Calculation steps:
[( 516 - 817 ) ÷ 817] x 100 = -36.84%
Formula
Percentage change = [(516 - 817) / 817] x 100
Subtract the new number by the original number
516 - 817 = -301
-301 ÷ 817 = -0.3684210526315789
-0.3684210526315789 x 100 = -36.84%