-67.88% is the change from 520 to 167
Calculation steps:
[( 167 - 520 ) ÷ 520] x 100 = -67.88%
Formula
Percentage change = [(167 - 520) / 520] x 100
Subtract the new number by the original number
167 - 520 = -353
-353 ÷ 520 = -0.6788461538461539
-0.6788461538461539 x 100 = -67.88%