-29.23% is the change from 934 to 661
Calculation steps:
[( 661 - 934 ) ÷ 934] x 100 = -29.23%
Formula
Percentage change = [(661 - 934) / 934] x 100
Subtract the new number by the original number
661 - 934 = -273
-273 ÷ 934 = -0.29229122055674517
-0.29229122055674517 x 100 = -29.23%