-47.59% is the change from 977 to 512
Calculation steps:
[( 512 - 977 ) ÷ 977] x 100 = -47.59%
Formula
Percentage change = [(512 - 977) / 977] x 100
Subtract the new number by the original number
512 - 977 = -465
-465 ÷ 977 = -0.4759467758444217
-0.4759467758444217 x 100 = -47.59%