-40.85% is the change from 355 to 210
Calculation steps:
[( 210 - 355 ) ÷ 355] x 100 = -40.85%
Formula
Percentage change = [(210 - 355) / 355] x 100
Subtract the new number by the original number
210 - 355 = -145
-145 ÷ 355 = -0.4084507042253521
-0.4084507042253521 x 100 = -40.85%