-34.08% is the change from 933 to 615
Calculation steps:
[( 615 - 933 ) ÷ 933] x 100 = -34.08%
Formula
Percentage change = [(615 - 933) / 933] x 100
Subtract the new number by the original number
615 - 933 = -318
-318 ÷ 933 = -0.3408360128617363
-0.3408360128617363 x 100 = -34.08%