-57.71% is the change from 506 to 214
Calculation steps:
[( 214 - 506 ) ÷ 506] x 100 = -57.71%
Formula
Percentage change = [(214 - 506) / 506] x 100
Subtract the new number by the original number
214 - 506 = -292
-292 ÷ 506 = -0.5770750988142292
-0.5770750988142292 x 100 = -57.71%