-52.13% is the change from 188 to 90
Calculation steps:
[( 90 - 188 ) ÷ 188] x 100 = -52.13%
Formula
Percentage change = [(90 - 188) / 188] x 100
Subtract the new number by the original number
90 - 188 = -98
-98 ÷ 188 = -0.5212765957446809
-0.5212765957446809 x 100 = -52.13%