-31.84% is the change from 402 to 274
Calculation steps:
[( 274 - 402 ) ÷ 402] x 100 = -31.84%
Formula
Percentage change = [(274 - 402) / 402] x 100
Subtract the new number by the original number
274 - 402 = -128
-128 ÷ 402 = -0.31840796019900497
-0.31840796019900497 x 100 = -31.84%