-93.3% is the change from 403 to 27
Calculation steps:
[( 27 - 403 ) ÷ 403] x 100 = -93.3%
Formula
Percentage change = [(27 - 403) / 403] x 100
Subtract the new number by the original number
27 - 403 = -376
-376 ÷ 403 = -0.9330024813895782
-0.9330024813895782 x 100 = -93.3%