-90.04% is the change from 974 to 97
Calculation steps:
[( 97 - 974 ) ÷ 974] x 100 = -90.04%
Formula
Percentage change = [(97 - 974) / 974] x 100
Subtract the new number by the original number
97 - 974 = -877
-877 ÷ 974 = -0.9004106776180698
-0.9004106776180698 x 100 = -90.04%