-84.5% is the change from 974 to 151
Calculation steps:
[( 151 - 974 ) ÷ 974] x 100 = -84.5%
Formula
Percentage change = [(151 - 974) / 974] x 100
Subtract the new number by the original number
151 - 974 = -823
-823 ÷ 974 = -0.8449691991786448
-0.8449691991786448 x 100 = -84.5%