-31.14% is the change from 517 to 356
Calculation steps:
[( 356 - 517 ) ÷ 517] x 100 = -31.14%
Formula
Percentage change = [(356 - 517) / 517] x 100
Subtract the new number by the original number
356 - 517 = -161
-161 ÷ 517 = -0.3114119922630561
-0.3114119922630561 x 100 = -31.14%