-83.7% is the change from 902 to 147
Calculation steps:
[( 147 - 902 ) ÷ 902] x 100 = -83.7%
Formula
Percentage change = [(147 - 902) / 902] x 100
Subtract the new number by the original number
147 - 902 = -755
-755 ÷ 902 = -0.8370288248337029
-0.8370288248337029 x 100 = -83.7%