-73.99% is the change from 346 to 90
Calculation steps:
[( 90 - 346 ) ÷ 346] x 100 = -73.99%
Formula
Percentage change = [(90 - 346) / 346] x 100
Subtract the new number by the original number
90 - 346 = -256
-256 ÷ 346 = -0.7398843930635838
-0.7398843930635838 x 100 = -73.99%