-65.64% is the change from 521 to 179
Calculation steps:
[( 179 - 521 ) ÷ 521] x 100 = -65.64%
Formula
Percentage change = [(179 - 521) / 521] x 100
Subtract the new number by the original number
179 - 521 = -342
-342 ÷ 521 = -0.6564299424184261
-0.6564299424184261 x 100 = -65.64%