-61.36% is the change from 515 to 199
Calculation steps:
[( 199 - 515 ) ÷ 515] x 100 = -61.36%
Formula
Percentage change = [(199 - 515) / 515] x 100
Subtract the new number by the original number
199 - 515 = -316
-316 ÷ 515 = -0.6135922330097088
-0.6135922330097088 x 100 = -61.36%