-2.48% is the change from 121 to 118
Calculation steps:
[( 118 - 121 ) ÷ 121] x 100 = -2.48%
Formula
Percentage change = [(118 - 121) / 121] x 100
Subtract the new number by the original number
118 - 121 = -3
-3 ÷ 121 = -0.024793388429752067
-0.024793388429752067 x 100 = -2.48%