-68.32% is the change from 524 to 166
Calculation steps:
[( 166 - 524 ) ÷ 524] x 100 = -68.32%
Formula
Percentage change = [(166 - 524) / 524] x 100
Subtract the new number by the original number
166 - 524 = -358
-358 ÷ 524 = -0.683206106870229
-0.683206106870229 x 100 = -68.32%