-67.55% is the change from 527 to 171
Calculation steps:
[( 171 - 527 ) ÷ 527] x 100 = -67.55%
Formula
Percentage change = [(171 - 527) / 527] x 100
Subtract the new number by the original number
171 - 527 = -356
-356 ÷ 527 = -0.6755218216318786
-0.6755218216318786 x 100 = -67.55%