-40.36% is the change from 934 to 557
Calculation steps:
[( 557 - 934 ) ÷ 934] x 100 = -40.36%
Formula
Percentage change = [(557 - 934) / 934] x 100
Subtract the new number by the original number
557 - 934 = -377
-377 ÷ 934 = -0.40364025695931477
-0.40364025695931477 x 100 = -40.36%