-64.91% is the change from 342 to 120
Calculation steps:
[( 120 - 342 ) ÷ 342] x 100 = -64.91%
Formula
Percentage change = [(120 - 342) / 342] x 100
Subtract the new number by the original number
120 - 342 = -222
-222 ÷ 342 = -0.6491228070175439
-0.6491228070175439 x 100 = -64.91%