-91.49% is the change from 623 to 53
Calculation steps:
[( 53 - 623 ) ÷ 623] x 100 = -91.49%
Formula
Percentage change = [(53 - 623) / 623] x 100
Subtract the new number by the original number
53 - 623 = -570
-570 ÷ 623 = -0.9149277688603531
-0.9149277688603531 x 100 = -91.49%