-81.73% is the change from 405 to 74
Calculation steps:
[( 74 - 405 ) ÷ 405] x 100 = -81.73%
Formula
Percentage change = [(74 - 405) / 405] x 100
Subtract the new number by the original number
74 - 405 = -331
-331 ÷ 405 = -0.817283950617284
-0.817283950617284 x 100 = -81.73%