-69.9% is the change from 525 to 158
Calculation steps:
[( 158 - 525 ) ÷ 525] x 100 = -69.9%
Formula
Percentage change = [(158 - 525) / 525] x 100
Subtract the new number by the original number
158 - 525 = -367
-367 ÷ 525 = -0.699047619047619
-0.699047619047619 x 100 = -69.9%