-68.8% is the change from 532 to 166
Calculation steps:
[( 166 - 532 ) ÷ 532] x 100 = -68.8%
Formula
Percentage change = [(166 - 532) / 532] x 100
Subtract the new number by the original number
166 - 532 = -366
-366 ÷ 532 = -0.6879699248120301
-0.6879699248120301 x 100 = -68.8%