-34.56% is the change from 217 to 142
Calculation steps:
[( 142 - 217 ) ÷ 217] x 100 = -34.56%
Formula
Percentage change = [(142 - 217) / 217] x 100
Subtract the new number by the original number
142 - 217 = -75
-75 ÷ 217 = -0.3456221198156682
-0.3456221198156682 x 100 = -34.56%