-57.71% is the change from 402 to 170
Calculation steps:
[( 170 - 402 ) ÷ 402] x 100 = -57.71%
Formula
Percentage change = [(170 - 402) / 402] x 100
Subtract the new number by the original number
170 - 402 = -232
-232 ÷ 402 = -0.5771144278606966
-0.5771144278606966 x 100 = -57.71%