-49.64% is the change from 417 to 210
Calculation steps:
[( 210 - 417 ) ÷ 417] x 100 = -49.64%
Formula
Percentage change = [(210 - 417) / 417] x 100
Subtract the new number by the original number
210 - 417 = -207
-207 ÷ 417 = -0.49640287769784175
-0.49640287769784175 x 100 = -49.64%