-66.7% is the change from 997 to 332
Calculation steps:
[( 332 - 997 ) ÷ 997] x 100 = -66.7%
Formula
Percentage change = [(332 - 997) / 997] x 100
Subtract the new number by the original number
332 - 997 = -665
-665 ÷ 997 = -0.6670010030090271
-0.6670010030090271 x 100 = -66.7%