-7.68% is the change from 977 to 902
Calculation steps:
[( 902 - 977 ) ÷ 977] x 100 = -7.68%
Formula
Percentage change = [(902 - 977) / 977] x 100
Subtract the new number by the original number
902 - 977 = -75
-75 ÷ 977 = -0.0767656090071648
-0.0767656090071648 x 100 = -7.68%