-84.84% is the change from 653 to 99
Calculation steps:
[( 99 - 653 ) ÷ 653] x 100 = -84.84%
Formula
Percentage change = [(99 - 653) / 653] x 100
Subtract the new number by the original number
99 - 653 = -554
-554 ÷ 653 = -0.8483920367534457
-0.8483920367534457 x 100 = -84.84%