-71.18% is the change from 517 to 149
Calculation steps:
[( 149 - 517 ) ÷ 517] x 100 = -71.18%
Formula
Percentage change = [(149 - 517) / 517] x 100
Subtract the new number by the original number
149 - 517 = -368
-368 ÷ 517 = -0.7117988394584139
-0.7117988394584139 x 100 = -71.18%