-91.78% is the change from 608 to 50
Calculation steps:
[( 50 - 608 ) ÷ 608] x 100 = -91.78%
Formula
Percentage change = [(50 - 608) / 608] x 100
Subtract the new number by the original number
50 - 608 = -558
-558 ÷ 608 = -0.9177631578947368
-0.9177631578947368 x 100 = -91.78%