-74.38% is the change from 523 to 134
Calculation steps:
[( 134 - 523 ) ÷ 523] x 100 = -74.38%
Formula
Percentage change = [(134 - 523) / 523] x 100
Subtract the new number by the original number
134 - 523 = -389
-389 ÷ 523 = -0.7437858508604207
-0.7437858508604207 x 100 = -74.38%