-50.49% is the change from 408 to 202
Calculation steps:
[( 202 - 408 ) ÷ 408] x 100 = -50.49%
Formula
Percentage change = [(202 - 408) / 408] x 100
Subtract the new number by the original number
202 - 408 = -206
-206 ÷ 408 = -0.5049019607843137
-0.5049019607843137 x 100 = -50.49%