-97.52% is the change from 121 to 3
Calculation steps:
[( 3 - 121 ) ÷ 121] x 100 = -97.52%
Formula
Percentage change = [(3 - 121) / 121] x 100
Subtract the new number by the original number
3 - 121 = -118
-118 ÷ 121 = -0.9752066115702479
-0.9752066115702479 x 100 = -97.52%