-56.63% is the change from 392 to 170
Calculation steps:
[( 170 - 392 ) ÷ 392] x 100 = -56.63%
Formula
Percentage change = [(170 - 392) / 392] x 100
Subtract the new number by the original number
170 - 392 = -222
-222 ÷ 392 = -0.5663265306122449
-0.5663265306122449 x 100 = -56.63%