-93.57% is the change from 342 to 22
Calculation steps:
[( 22 - 342 ) ÷ 342] x 100 = -93.57%
Formula
Percentage change = [(22 - 342) / 342] x 100
Subtract the new number by the original number
22 - 342 = -320
-320 ÷ 342 = -0.935672514619883
-0.935672514619883 x 100 = -93.57%