-19.01% is the change from 342 to 277
Calculation steps:
[( 277 - 342 ) ÷ 342] x 100 = -19.01%
Formula
Percentage change = [(277 - 342) / 342] x 100
Subtract the new number by the original number
277 - 342 = -65
-65 ÷ 342 = -0.19005847953216373
-0.19005847953216373 x 100 = -19.01%