-77.67% is the change from 403 to 90
Calculation steps:
[( 90 - 403 ) ÷ 403] x 100 = -77.67%
Formula
Percentage change = [(90 - 403) / 403] x 100
Subtract the new number by the original number
90 - 403 = -313
-313 ÷ 403 = -0.7766749379652605
-0.7766749379652605 x 100 = -77.67%