-83.42% is the change from 977 to 162
Calculation steps:
[( 162 - 977 ) ÷ 977] x 100 = -83.42%
Formula
Percentage change = [(162 - 977) / 977] x 100
Subtract the new number by the original number
162 - 977 = -815
-815 ÷ 977 = -0.834186284544524
-0.834186284544524 x 100 = -83.42%