-73.98% is the change from 342 to 89
Calculation steps:
[( 89 - 342 ) ÷ 342] x 100 = -73.98%
Formula
Percentage change = [(89 - 342) / 342] x 100
Subtract the new number by the original number
89 - 342 = -253
-253 ÷ 342 = -0.7397660818713451
-0.7397660818713451 x 100 = -73.98%