-66.84% is the change from 977 to 324
Calculation steps:
[( 324 - 977 ) ÷ 977] x 100 = -66.84%
Formula
Percentage change = [(324 - 977) / 977] x 100
Subtract the new number by the original number
324 - 977 = -653
-653 ÷ 977 = -0.6683725690890481
-0.6683725690890481 x 100 = -66.84%