-32.84% is the change from 402 to 270
Calculation steps:
[( 270 - 402 ) ÷ 402] x 100 = -32.84%
Formula
Percentage change = [(270 - 402) / 402] x 100
Subtract the new number by the original number
270 - 402 = -132
-132 ÷ 402 = -0.3283582089552239
-0.3283582089552239 x 100 = -32.84%