-61.44% is the change from 402 to 155
Calculation steps:
[( 155 - 402 ) ÷ 402] x 100 = -61.44%
Formula
Percentage change = [(155 - 402) / 402] x 100
Subtract the new number by the original number
155 - 402 = -247
-247 ÷ 402 = -0.6144278606965174
-0.6144278606965174 x 100 = -61.44%