-57.91% is the change from 506 to 213
Calculation steps:
[( 213 - 506 ) ÷ 506] x 100 = -57.91%
Formula
Percentage change = [(213 - 506) / 506] x 100
Subtract the new number by the original number
213 - 506 = -293
-293 ÷ 506 = -0.5790513833992095
-0.5790513833992095 x 100 = -57.91%