-91.09% is the change from 202 to 18
Calculation steps:
[( 18 - 202 ) ÷ 202] x 100 = -91.09%
Formula
Percentage change = [(18 - 202) / 202] x 100
Subtract the new number by the original number
18 - 202 = -184
-184 ÷ 202 = -0.9108910891089109
-0.9108910891089109 x 100 = -91.09%