-64.52% is the change from 341 to 121
Calculation steps:
[( 121 - 341 ) ÷ 341] x 100 = -64.52%
Formula
Percentage change = [(121 - 341) / 341] x 100
Subtract the new number by the original number
121 - 341 = -220
-220 ÷ 341 = -0.6451612903225806
-0.6451612903225806 x 100 = -64.52%