-54.98% is the change from 402 to 181
Calculation steps:
[( 181 - 402 ) ÷ 402] x 100 = -54.98%
Formula
Percentage change = [(181 - 402) / 402] x 100
Subtract the new number by the original number
181 - 402 = -221
-221 ÷ 402 = -0.5497512437810945
-0.5497512437810945 x 100 = -54.98%