-67.62% is the change from 525 to 170
Calculation steps:
[( 170 - 525 ) ÷ 525] x 100 = -67.62%
Formula
Percentage change = [(170 - 525) / 525] x 100
Subtract the new number by the original number
170 - 525 = -355
-355 ÷ 525 = -0.6761904761904762
-0.6761904761904762 x 100 = -67.62%