-53.83% is the change from 405 to 187
Calculation steps:
[( 187 - 405 ) ÷ 405] x 100 = -53.83%
Formula
Percentage change = [(187 - 405) / 405] x 100
Subtract the new number by the original number
187 - 405 = -218
-218 ÷ 405 = -0.5382716049382716
-0.5382716049382716 x 100 = -53.83%