-66.12% is the change from 974 to 330
Calculation steps:
[( 330 - 974 ) ÷ 974] x 100 = -66.12%
Formula
Percentage change = [(330 - 974) / 974] x 100
Subtract the new number by the original number
330 - 974 = -644
-644 ÷ 974 = -0.6611909650924025
-0.6611909650924025 x 100 = -66.12%