-73.52% is the change from 506 to 134
Calculation steps:
[( 134 - 506 ) ÷ 506] x 100 = -73.52%
Formula
Percentage change = [(134 - 506) / 506] x 100
Subtract the new number by the original number
134 - 506 = -372
-372 ÷ 506 = -0.7351778656126482
-0.7351778656126482 x 100 = -73.52%