-59.29% is the change from 506 to 206
Calculation steps:
[( 206 - 506 ) ÷ 506] x 100 = -59.29%
Formula
Percentage change = [(206 - 506) / 506] x 100
Subtract the new number by the original number
206 - 506 = -300
-300 ÷ 506 = -0.5928853754940712
-0.5928853754940712 x 100 = -59.29%