-82.72% is the change from 515 to 89
Calculation steps:
[( 89 - 515 ) ÷ 515] x 100 = -82.72%
Formula
Percentage change = [(89 - 515) / 515] x 100
Subtract the new number by the original number
89 - 515 = -426
-426 ÷ 515 = -0.8271844660194175
-0.8271844660194175 x 100 = -82.72%