-55.22% is the change from 201 to 90
Calculation steps:
[( 90 - 201 ) ÷ 201] x 100 = -55.22%
Formula
Percentage change = [(90 - 201) / 201] x 100
Subtract the new number by the original number
90 - 201 = -111
-111 ÷ 201 = -0.5522388059701493
-0.5522388059701493 x 100 = -55.22%