-35.4% is the change from 517 to 334
Calculation steps:
[( 334 - 517 ) ÷ 517] x 100 = -35.4%
Formula
Percentage change = [(334 - 517) / 517] x 100
Subtract the new number by the original number
334 - 517 = -183
-183 ÷ 517 = -0.3539651837524178
-0.3539651837524178 x 100 = -35.4%