-36.05% is the change from 957 to 612
Calculation steps:
[( 612 - 957 ) ÷ 957] x 100 = -36.05%
Formula
Percentage change = [(612 - 957) / 957] x 100
Subtract the new number by the original number
612 - 957 = -345
-345 ÷ 957 = -0.3605015673981191
-0.3605015673981191 x 100 = -36.05%