-38.78% is the change from 557 to 341
Calculation steps:
[( 341 - 557 ) ÷ 557] x 100 = -38.78%
Formula
Percentage change = [(341 - 557) / 557] x 100
Subtract the new number by the original number
341 - 557 = -216
-216 ÷ 557 = -0.3877917414721723
-0.3877917414721723 x 100 = -38.78%