-64.99% is the change from 517 to 181
Calculation steps:
[( 181 - 517 ) ÷ 517] x 100 = -64.99%
Formula
Percentage change = [(181 - 517) / 517] x 100
Subtract the new number by the original number
181 - 517 = -336
-336 ÷ 517 = -0.6499032882011605
-0.6499032882011605 x 100 = -64.99%