-33.92% is the change from 911 to 602
Calculation steps:
[( 602 - 911 ) ÷ 911] x 100 = -33.92%
Formula
Percentage change = [(602 - 911) / 911] x 100
Subtract the new number by the original number
602 - 911 = -309
-309 ÷ 911 = -0.3391877058177827
-0.3391877058177827 x 100 = -33.92%