-65.79% is the change from 342 to 117
Calculation steps:
[( 117 - 342 ) ÷ 342] x 100 = -65.79%
Formula
Percentage change = [(117 - 342) / 342] x 100
Subtract the new number by the original number
117 - 342 = -225
-225 ÷ 342 = -0.6578947368421053
-0.6578947368421053 x 100 = -65.79%