-68.62% is the change from 975 to 306
Calculation steps:
[( 306 - 975 ) ÷ 975] x 100 = -68.62%
Formula
Percentage change = [(306 - 975) / 975] x 100
Subtract the new number by the original number
306 - 975 = -669
-669 ÷ 975 = -0.6861538461538461
-0.6861538461538461 x 100 = -68.62%