-92% is the change from 913 to 73
Calculation steps:
[( 73 - 913 ) ÷ 913] x 100 = -92%
Formula
Percentage change = [(73 - 913) / 913] x 100
Subtract the new number by the original number
73 - 913 = -840
-840 ÷ 913 = -0.9200438116100766
-0.9200438116100766 x 100 = -92%