-82.49% is the change from 514 to 90
Calculation steps:
[( 90 - 514 ) ÷ 514] x 100 = -82.49%
Formula
Percentage change = [(90 - 514) / 514] x 100
Subtract the new number by the original number
90 - 514 = -424
-424 ÷ 514 = -0.8249027237354085
-0.8249027237354085 x 100 = -82.49%