-15.27% is the change from 537 to 455
Calculation steps:
[( 455 - 537 ) ÷ 537] x 100 = -15.27%
Formula
Percentage change = [(455 - 537) / 537] x 100
Subtract the new number by the original number
455 - 537 = -82
-82 ÷ 537 = -0.1527001862197393
-0.1527001862197393 x 100 = -15.27%