-75.98% is the change from 408 to 98
Calculation steps:
[( 98 - 408 ) ÷ 408] x 100 = -75.98%
Formula
Percentage change = [(98 - 408) / 408] x 100
Subtract the new number by the original number
98 - 408 = -310
-310 ÷ 408 = -0.7598039215686274
-0.7598039215686274 x 100 = -75.98%