-15.46% is the change from 537 to 454
Calculation steps:
[( 454 - 537 ) ÷ 537] x 100 = -15.46%
Formula
Percentage change = [(454 - 537) / 537] x 100
Subtract the new number by the original number
454 - 537 = -83
-83 ÷ 537 = -0.15456238361266295
-0.15456238361266295 x 100 = -15.46%