-62.33% is the change from 515 to 194
Calculation steps:
[( 194 - 515 ) ÷ 515] x 100 = -62.33%
Formula
Percentage change = [(194 - 515) / 515] x 100
Subtract the new number by the original number
194 - 515 = -321
-321 ÷ 515 = -0.6233009708737864
-0.6233009708737864 x 100 = -62.33%