-77.75% is the change from 445 to 99
Calculation steps:
[( 99 - 445 ) ÷ 445] x 100 = -77.75%
Formula
Percentage change = [(99 - 445) / 445] x 100
Subtract the new number by the original number
99 - 445 = -346
-346 ÷ 445 = -0.7775280898876404
-0.7775280898876404 x 100 = -77.75%